MCQs is one of the best ways to test a student’s comprehension of a concept. Academic Task subject experts have prepared these Chemical Engineering Question and Answers MCQs based on current trends and practices. These Chemical Engineering MCQs with answers cover all areas of Chemical Engineering. Furthermore, it will be beneficial for competitive examinations and tests (PPSC Test, FPSC Test
71. Vibration upto 100 kilo hertz can be most accurately measured by a ________________ type accelerometer ?
A. Preloaded spring
B. Piezoelectric
C. Bonded strain gauge
D. None of these
72. Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines ?
A. Air filter
B. Fuel injector
C. Exhaust silencer
D. Battery
73. Silicon crystal can be converted to p-type semi-conductor by doping with__________________?
A. Phosphorous
B. Nitrogen
C. Carbon
D. Boron
74. Corona discharge is related to the operation of a/an_______________________?
A. Induction motor
B. Electrostatic precipitator
C. Fast breeder reactor
D. Magneto hydrodynamic generator (MHD)
75. Minimum thermal efficiency of a steam boiler may be around ____________________ percent ?
A. 25
B. 45
C. 65
D. 20
76. Eutectic reaction for iron-carbon system occurs at a temperature of _______________ °C ?
A. 723
B. 959
C. 1147
D. 1493
77. An ideal material for making cooking vessels should have___________________?
A. High heat capacity
B. Low heat capacity
C. High thermal conductivity
D. Both B. and C.
78. Drills are usually made of__________________?
A. Cermets
B. High speed steel
C. Alloy steel
D. Tungsten carbide
79. Pressure exerted by a liquid depends upon its_________________?
A. Surface tension
B. Density
C. Viscosity
D. Buoyancy
80. Brinell Hardness Number (BHN) for talc is approximately in the range of ____________________?
A. 1-5
B. 20-30
C. 100-150
D. 200-250