| B101 | BCS | Boiler Control System | Automated system to regulate boiler pressure, temperature, and fuel flow. | Used in thermal power plants to optimize steam generation. |
| B102 | BDF | Blade Design Factor | A design parameter for turbine and compressor blades. | Considered in jet engine turbine blade manufacturing. |
| B103 | BEM | Boundary Element Method | A numerical computational method for solving engineering problems. | Applied in stress analysis of machine components. |
| B104 | BGT | Bearing Geometry Tolerance | The permissible variation in dimensions of bearings. | Ensures proper alignment in rotating machinery. |
| B105 | BHP | Brake Horsepower | Power delivered by an engine without losses like friction. | Engine performance testing in automotive labs. |
| B106 | BJT | Bipolar Junction Transistor | A semiconductor device used in control and instrumentation. | Used in motor controllers in robotics. |
| B107 | BME | Biomechanical Engineering | Application of mechanics to biological systems. | Artificial joint and prosthetic limb design. |
| B108 | BMT | Boiler Mounting & Testing | Essential fittings and performance testing of boilers. | Safety valve and water level gauge inspection. |
| B109 | BNC | Bearing Noise Coefficient | Value indicating vibration and noise in bearings. | Measured during high-speed turbine operation. |
| B110 | BOD | Biochemical Oxygen Demand | Engineering measure of water quality in treatment plants. | Used in effluent treatment plant design. |
| B111 | BOT | Build-Operate-Transfer | Project model used in engineering infrastructure projects. | Applied in construction of power plants. |
| B112 | BPR | Boiler Pressure Rating | Maximum pressure at which a boiler can safely operate. | Printed on boiler nameplates in power stations. |
| B113 | BPT | Boiler Performance Test | Tests efficiency and output of boilers. | Conducted in industry to ensure compliance. |
| B114 | BRF | Boiler Refractory | Heat-resistant lining inside a boiler furnace. | Prevents heat loss in industrial furnaces. |
| B115 | BRM | Bearing Reliability Method | A method to calculate bearing life expectancy. | Applied in rotating machinery maintenance. |
| B116 | BSC | Bearing Stress Calculation | Method to determine stress under load in a bearing. | Used in gearbox shaft design. |
| B117 | BSD | Boiler Soot Deposits | Carbon deposits inside boilers due to incomplete combustion. | Cleaned during boiler maintenance. |
| B118 | BSG | Bevel Spur Gear | Combination gear type used for torque transmission. | Found in differential gear systems. |
| B119 | BSI | British Standards Institution | Standards-setting body relevant to engineering. | BS 970 standard for alloy steels. |
| B120 | BSL | Boiler Safety Limit | Maximum safe operating conditions for a boiler. | Pressure relief system design. |
| B121 | BSR | Bearing Stress Ratio | Ratio of actual bearing stress to permissible stress. | Used in machine shaft design. |
| B122 | BST | Boiler Steam Trap | Device to remove condensate from steam systems. | Installed in industrial steam lines. |
| B123 | BTB | Back-to-Back Bearings | Bearing arrangement for increased stiffness. | Used in CNC machine spindles. |
| B124 | BTC | Boiler Tube Cleaning | Process to remove soot and scale inside tubes. | Prevents overheating in steam boilers. |
| B125 | BTD | Boiler Tube Design | Structural design of tubes inside boilers. | Used in HRSG (Heat Recovery Steam Generator). |
| B126 | BTF | Boiler Tube Failure | Common issue due to corrosion and overheating. | Power plant forced outage causes. |
| B127 | BTL | Boiler Tube Leakage | Leakage due to cracks or thinning. | Detected via acoustic monitoring systems. |
| B128 | BTM | Boiler Tube Material | Special alloys for high temperature and pressure. | Inconel and stainless steels in boilers. |
| B129 | BTN | Boiler Tube Network | Layout of water/steam tubes in boilers. | Used in CAD boiler design. |
| B130 | BTR | Boiler Tube Replacement | Process of replacing worn-out tubes. | Scheduled during shutdown maintenance. |
| B131 | BTS | Boiler Tube Support | Structural support to reduce vibration. | Used in marine boiler construction. |
| B132 | BTV | Boiler Tube Vibration | Harmonic vibration causing tube wear. | Observed in large power station boilers. |
| B133 | BWR | Boiling Water Reactor | A type of nuclear reactor using water as coolant and moderator. | Used in nuclear power generation. |
| B134 | BWS | Boiler Water Sampling | Quality check of boiler feedwater. | Ensures proper treatment to avoid scaling. |
| B135 | BWT | Boiler Water Treatment | Chemical process to reduce scaling and corrosion. | Hydrazine treatment in thermal plants. |
| B136 | BXB | Box Beam | A structural beam with hollow rectangular cross-section. | Used in aircraft wing spars. |
| B137 | BXD | Box Girder | Structural element with box-like cross-section. | Used in bridges and flyovers. |
| B138 | BXL | Boiler Expansion Loop | Compensates for thermal expansion of steam pipes. | Found in high-pressure steam lines. |
| B139 | BYP | Bypass Valve | Valve that diverts flow in case of blockages. | Used in pump discharge lines. |
| B140 | BZC | Bronze Casting | Manufacturing process using bronze alloys. | Marine propeller casting. |
| B141 | BZT | Boiler Zonal Temperature | Different temperature zones inside boiler. | Used in furnace design. |
| B142 | BND | Bond Number | Dimensionless number relating forces in fluids. | Applied in fluid mechanics studies. |
| B143 | BGF | Blast Furnace Gas Flow | Measurement of gas flow in steel plants. | Used in blast furnace control. |
| B144 | BFT | Bolt Fastening Torque | Required torque for secure bolted joints. | Used in flanged pipe connections. |
| B145 | BSCF | Brake Specific Fuel Consumption | Fuel consumed per unit brake power output. | Used in engine efficiency testing. |
| B146 | BMC | Bulk Molding Compound | Thermoset plastic molding material. | Used in automotive body parts. |
| B147 | BPF | Band Pass Filter | Allows frequencies within a range. | Applied in vibration analysis sensors. |
| B148 | BRS | Boiler Reliability Standard | Standard for safety and reliability in boilers. | EN 12952 for water-tube boilers. |
| B149 | BCP | Boiler Circulation Pump | Pump to circulate water/steam in a boiler. | Found in HRSG boilers in combined cycle plants. |
| B150 | BDFT | Board Foot | Measurement of lumber volume. | Used in material estimation in workshops. |
| B151 | BGV | Bearing Grade Viscosity | Lubricant property for bearing performance. | SAE viscosity grades in automotive bearings. |
| B152 | BHF | Bolt Head Friction | Frictional resistance under bolt head. | Studied in bolted joint design. |
| B153 | BIA | Boiler Inspection Act | Law governing boiler safety in industries. | Enforced in pressure vessel testing. |
| B154 | BLC | Boiler Load Control | System to adjust steam output as per demand. | Used in thermal power stations. |
| B155 | BLR | Boiler Load Rating | Rated steam generation capacity of a boiler. | Written on nameplates. |
| B156 | BMS | Boiler Management System | Control system for boiler safety and efficiency. | DCS (Distributed Control System) integration. |
| B157 | BNCF | Bolt-Nut Coefficient of Friction | Used in torque-tension relationship. | Applied in bolted flange design. |
| B158 | BPD | Boiler Pressure Drop | Drop in steam pressure across tubes. | Considered in HRSG design. |
| B159 | BPRV | Boiler Pressure Relief Valve | Valve that prevents boiler overpressure. | Found in all industrial boilers. |
| B160 | BRH | Brinell Hardness | Measure of material hardness. | Applied in mechanical material testing. |
| B161 | BTDV | Boiler Tube Design Verification | Verification of thermal and mechanical strength. | Conducted in pressure vessel testing labs. |
| B162 | BWF | Boiler Water Flow | Circulation of water inside boiler. | Optimized for maximum heat transfer. |
| B163 | BZV | Boiler Zone Valve | Controls flow between boiler heating zones. | Found in HVAC boilers. |
| B164 | BFA | Boiler Feedwater Analysis | Chemical and physical testing of feedwater. | Prevents scaling in thermal plants. |
| B165 | BFF | Boiler Feedwater Filter | Removes impurities before entering boiler. | Installed in water treatment system. |
| B166 | BFP | Boiler Feed Pump | Pump that supplies feedwater to boilers. | Used in steam power plants. |
| B167 | BFR | Boiler Furnace Refractory | Lining of furnace chamber to withstand heat. | Used in oil-fired boilers. |
| B168 | BFTD | Boiler Furnace Temperature Distribution | Heat distribution inside furnace. | Measured with thermocouples. |
| B169 | BGD | Boiler Gas Duct | Pathway for flue gases. | Used in thermal power plants. |
| B170 | BGO | Boiler Gas Outlet | Exit point for flue gases. | Connected to chimneys. |
| B171 | BGTU | Boiler Gas Temperature Unit | Measurement of exhaust gas temp. | Used in efficiency analysis. |
| B172 | BMCF | Boiler Mass Flow | Mass of steam/water flow. | Calculated in thermodynamic cycles. |
| B173 | BMF | Boiler Mounting Fittings | Essential safety and operational fittings. | Includes safety valves, pressure gauges. |
| B174 | BMR | Boiler Maintenance Record | Documentation of servicing and inspections. | Required by law in industries. |
| B175 | BPC | Boiler Pressure Control | Controls pressure via fuel adjustment. | Automatic control in large power boilers. |
| B176 | BPE | Boiler Performance Efficiency | Efficiency of boiler operation. | Measured by heat balance method. |
| B177 | BPG | Boiler Pressure Gauge | Device to measure boiler steam pressure. | Mounted on boiler front panel. |
| B178 | BPL | Boiler Pressure Loss | Loss of pressure due to friction and leaks. | Considered in steam piping design. |
| B179 | BPP | Boiler Pressure Part | Load-bearing parts in boilers. | Includes drum, headers, and tubes. |
| B180 | BPTV | Boiler Pressure Test Valve | Valve used during hydrostatic test. | Found in inspection systems. |
| B181 | BRC | Boiler Reheater Coil | Coil used to reheat steam for efficiency. | Used in power plant boilers. |
| B182 | BRV | Boiler Relief Valve | Safety valve to release excess pressure. | Found in all boilers. |
| B183 | BSCU | Boiler Scale Cleaning Unit | Equipment to remove scale deposits. | Used in maintenance workshops. |
| B184 | BSM | Boiler Soot Monitor | Detects soot accumulation inside furnace. | Infrared-based sensors in boilers. |
| B185 | BSP | Boiler Safety Protocol | Set of rules for safe boiler operation. | Followed in chemical plants. |
| B186 | BSRV | Boiler Safety Relief Valve | A special valve ensuring safety during excess pressure. | Found in industrial high-pressure boilers. |
| B187 | BSS | Boiler Support System | Mechanical support for large boilers. | Found in suspended boiler designs. |
| B188 | BSV | Boiler Stop Valve | Main valve to control steam flow. | Installed at boiler outlet. |
| B189 | BTG | Boiler Turbine Generator | Combination of boiler, turbine, and generator in power plants. | Used in thermal and nuclear power stations. |
| B190 | BTI | Boiler Tube Inspection | NDT methods used to inspect tubes. | Ultrasonic inspection in thermal power plants. |
| B191 | BTU | British Thermal Unit | Unit of heat energy. | Used in HVAC and thermal engineering. |
| B192 | BVC | Boiler Ventilation Control | Maintains airflow for combustion. | Installed in boiler combustion chambers. |
| B193 | BVD | Boiler Vibration Damper | Reduces vibrations in boiler structures. | Used in high-pressure boilers. |
| B194 | BVF | Boiler Vent Fan | Provides air supply for combustion. | Used in steam power plants. |
| B195 | BVP | Boiler Vent Pipe | Duct for releasing gases. | Found in water tube boilers. |
| B196 | BVS | Boiler Vent System | Complete venting arrangement. | Applied in gas-fired boilers. |
| B197 | BWC | Boiler Water Circulation | Flow pattern of water/steam in boilers. | Studied in natural circulation boilers. |
| B198 | BWD | Boiler Water Drum | Component that stores and separates water/steam. | Found in water tube boilers. |
| B199 | BWFV | Boiler Water Feed Valve | Controls water input to boiler. | Used in automatic control systems. |
| B200 | BWG | Birmingham Wire Gauge | Standard for wire thickness. | Used in sheet metal and wire manufacturing. |
