The unit of luminous flux is
A.Steradian
B.Candela
C.Lumen
D.Lux
E.None of the above
Category: Engineeeing Mcqs
Vapour lock is
A.Seizure of supply of fuel in a diesel engine
B.Serious restriction to the supply of fuel due to excessively rapid formation of vapour in S.I. engine
C.Locking of carbourettor jets due to vapour formation
D.Locking of jets due to impurities in petrol
E.None of the above
In which of the following state manufacturing unit of M/S Bharat Heavy Electricals Ltd. Is not located?
A.Rajasthan
B.U.P.
C.Andhra Pardesh
D.M.P.
E.Karnataka
The condition of refrigerant before and after compression in vapour compression cycle is
A.Wet vapour, cry saturated vapour
B.Liquid, wet vapour
C.Dry saturated vapour, superheated vapour
D.Dry saturated vapour, liquid
E.Wet vapour, wet vapour
For a beam of uniform strength if its depth is maintained constant, then its width will vary in proportion to
A.Bending Moment, BM
B.(BM)2
C.(BM)
D.(BM)3
E.None of the above
Zeolite catalyst
A.are crystalline alumino-silicates
B.have high activity than synthetic amorphous catalyst
C.are used in catalytic cracking of heavy vacuum gas oils
D.all of the above
Which of the following is a catalytic reaction?
A.Synthesis of water by passing electric sparks through a mixture of hydrogen and oxygen
B.Neutralization of a dilute alkali solution by a small amount of a conentrated acid
C.Hydrolysis of an ester in the presence of H+
D.Darkening of silver halides in light
The rates of purely photochemical reactions do not depend on temperature to any significant extent because
A.they are exothermic reactions
B.they are endothermic reactions
C.the energy of the reacting molecules exceeds the activation energy by absorption of light
D.they are reversible reactions
The amount of machining allowance on castings depends on
A.size and shape of the casting
B.casting orientation
C.characteristics of the metal
D.all of the above
Which of the following key is not used in railway tracks?
A.Stuart key
B.Morgan key
C.Cotter key
D.Woodruff key
