The bright glow of a combustion process is the characteristic of
A.fast and high temperature oxidation
B.slow and low temperature oxidation
C.slow and high temperature oxidation
D.fast and low temperature oxidation
Category: Engineeeing Mcqs
The highest percentage of chrommium that can be added to steel is usually
A.12 percent
B.15 percent
C.18 percent
D.25 percent
E.50 percent
The material preferred for the fabrication of fruit juice concentrator is
A.Cast iron
B.Mild steel sheet
C.Stainless steel sheet
D.Copper
E.Brass
Flow in an open channel can be measured by
A.a manometer
B.orifice
C.nozzle
D.None of the above
Railway rails are made of
A.Dead muld steel
B.Mild steel
C.Low carbon steel
D.Medium carbon steel
E.High carbon steel
A boy sitting in a rail road car throws a ball straight up into the air. The ball will fall back into his hands when the rail road car is
A.moving at constant velocity
B.accelerating forwardA block A is dropped down a smooth inclined plane, while another identical block B is released for free fall from the same height
C.decelerating
D.accelerating forward while going around a curve of radius equal to the maximum height attained by the ball
Which of the following are synonyms?
A.Humidity ratio and specific humidity
B.Degree of saturation and degree of reaction
C.Sensible cooling and dehumidification
D.Relative humidity and specific humidity
E.Dehumidification
Actual gas turbine cycle is different from ideal cycle because
A.of internal irreversibility of the process due to friction, turbulence, etc.
B.of variation of specific heats with temperature
C.of losses due to incomplete combustion
D.all of the above
