Boiler rating is normally done in terms of September 6, 2025 by Admin A. Steam temperature & pressure B. Steam output (tons/hr) C. Heat transfer rate (kcal/hr) D. Heat transfer area (m²) ✅ The correct answer is option B.
Which of the following is the most suitable for removing fine particles (< 1 micron diameter) from air below its dew point? September 6, 2025 by Admin A. Venturi scrubber B. Electrostatic precipitator C. Cyclone separator D. Fabric filter ✅ The correct answer is option B.
Load cells used for the measurement of weight has September 6, 2025 by Admin A. Compact & rugged construction with an accuracy of 0.1 to 1% B. No moving parts and incurs negligible deflection under load C. Provision of thermal compensation and is hermetically sealed D. All of the above ✅ The correct answer is option D.
Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type September 6, 2025 by Admin A. Parallel flow with equal heat capacities B. Counter flow with equal heat capacities C. Counter flow with unequal heat capacities D. Parallel flow with unequal heat capacities ✅ The correct answer is option B.
Blast furnace is a September 6, 2025 by Admin A. Counter current reactor B. Co-current reactor C. Cross-current reactor D. Combination of all the three ✅ The correct answer is option A.
In chemical dehumidification of air September 6, 2025 by Admin A. Both specific humidity & dry bulb temperature increases B. Both specific humidity & dry bulb temperature decreases C. Specific humidity decreases & dry bulb temperature increases D. Specific humidity increases & dry bulb temperature decreases ✅ The correct answer is option C.
A good abrasive September 6, 2025 by Admin A. Should be friable B. Should have low refractoriness C. Is made up of large size of crystals D. Should be soft ✅ The correct answer is option A.
Young’s modulus of elasticity of a material is the slope of the initial linear portion of the stress-strain curve. It decreases ap-preciablyby September 6, 2025 by Admin A. Alloying additions B. Heat treatment C. Cold work D. Increasing temperature ✅ The correct answer is option B.
A 2 kg object weighs 1.8 kgf on a spring balance. The value of ‘g’ at that location in m/seC₂ is September 6, 2025 by Admin A. 8.82 B. 9.81 C. 10.88 D. 0.95 ✅ The correct answer is option A.
Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience. September 6, 2025 by Admin A. Yield strength B. Elastic limit C. Proportional limit D. Maximum point ✅ The correct answer is option C.