Chemical Engineering MCQs

6108 MCQs  (Page 74 of 611)

Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?
A. Small punches, broaches reamers and springs
B. Cutlery, screws, rivets and files
C. Mandrels, twist drills, small lathe tools and razors
D. Forgings like can shaft, structural steel plate, threading dies and drawing dies
Pick out the wrong conversion of absolute & kinematic viscosities ?
A. 1 stoke = 1 cm2/sec
B. 1 n.sec/m2 = 10 paise
C. 1 stoke = 1 m2/sec
D. 1 m2/sec = 104 stokes
In ________________ process, there is an increase in entropy with no degradation of energy ?
A. Isothermal expansion
B. Isochoric heat addition
C. Polytropic expansion
D. Isobaric heat addition
Which of the following terminology is used for the temperature at which new grains are formed in a metal ?
A. Eutectic temperature
B. Lower critical temperature
C. Recrystallisation temperature
D. Upper critical temperature
______________ the exhaust gas is an indication of the incomplete combustion of fuel?
A. Low temperature of
B. High temperature of
C. High % of co in
D. High % of co2 in