Starting motor in automobiles is generally
A.Induction motor
B.Squirrel cage motor
C.Synchronous motor
D.Series motor
E.Shunt motor
Category: Heat Engines Mcqs
Anthydrous substance is
A.Free of hydrogen
B.Free of water specially water of crystallization
C.Free of humidity
D.Dry substance
E.Crystalline substance
In a four stroke engine if a valve opens 25? before B.D.C. and closes 10? after T.D.C. the valve should be
A.Inlet valve
B.Exhaust valve
C.Puppet valve
D.Spring valve
E.Cam valve
Which one of the following statements is incorrect:
A.Combustion is the processes of heat liberation
B.Combustion is a chemical reaction
C.Combustion is rapid oxidation
D.All of the above
E.None of the above
The boilers using lignite as fuel do not use
A.Underfeed stoker
B.Travelling grate stoker
C.Speader stoker
D.U-flame pulverized fuel burner
E.Horizontal burner, pulverized fuel
Total solid impurities in feed water for a boiler depend upon
A.Boiler pressure
B.Quantity of steam to be generated
C.Type of fuel available
D.Quantity of steam
E.None of the above
Water and sediments in a diesel fuel oil must not exceed.
A.1%
B.0.50%
C.0.10%
D.0.05%
E.0.01%
Working pressure of a boiler does not depend upon
A.Tensile strength of shell
B.Thickness of shell
C.Factor of safety
D.Efficiency of joint
E.Type of fuel being fired
Zeroth law of thermodynamics states that
A.Two systems are always in equilibrium
B.If two systems are in equilibrium the third system will also be in equilibrium
C.If two systems are in thermal equilibrium with a third system, then they are in equilibrium with each other
D.Two systems not in equilibrium with a third system are also not in equilibrium with each other
E.None of the above
A sample of water having pH value of 7 is
A.Acidic
B.Alkaline
C.Neutral
