A. Temperature – entropy
B. Temperature – pressure
C. Enthalpy – entropy
D. Enthalpy-pressure
✅ The correct answer is option A.
Basic Chemical Engineering MCQs
Creep consideration is the most important in case of the
A. Blades of gas turbines
B. Steam engine flywheel
C. Cast iron pipes
D. Cycle chains
✅ The correct answer is option A.
Corrosion is
A. A physical phenomenon
B. A chemical phenomenon
C. Same as erosion
D. An uncontrollable phenomenon
✅ The correct answer is option B.
A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action.
A. Proportional
B. Integral
C. Derivative
D. None of these
✅ The correct answer is option B.
The most suitable material for a sewer for carrying storm water is
A. Asbestos cement
B. Cast iron
C. Mild steel
D. Cement concrete
✅ The correct answer is option D.
Which of the following transducers is most commonly used for the measurement of shock and vibration ?
A. Linear variable differential transducer (LVDT)
B. Dial gauge
C. Accelerometer
D. None of these
✅ The correct answer is option C.
Property responsible for the talcum powder to cling to the skin is the
A. Capillary action
B. Adhesion
C. Cohesion
D. Surface tension
✅ The correct answer is option B.
Specific gravity of hot metal (pig iron) is __________ times that of the blast furnace slag.
A. 2
B. 3
C. 0.8
D. 6
✅ The correct answer is option B.
Galena is an ore of
A. Iron
B. Copper
C. Lead
D. Aluminium
✅ The correct answer is option C.
A thin, flat & square plate measuring 2 m x 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m ². The plate temperature will remain constant at 30°C, if the convective heat transfer co-efficient is __________ W/m² °C.
A. 50
B. 100
C. 150
D. 200
✅ The correct answer is option B.