The coordination number of NaCl is
A.2
B.3
C.6
D.8
E.9
Category: Mechanical Engineering Mcqs
Standard taper generally used on milling machine spindles is
A.Morse taper
B.Chapman taper
C.Brown and Sharpe taper
D.Jarno and Reed taper
E.Seller’s taper
The usual ratio of forward and return stroke in shaper is
A.1 ; 2
B.2 ; 3
C.3 ; 2
D.3 ; 4
E.4 ; 3
Portion of the installed reserve kept in operable condition but not placed in service to supply the peak load is known as
A.Operating reserve
B.Spinning reserve
C.Cold reserve
D.Hot reserve
E.None-spinning reserve
The specific heat at constant volume of solids obeys Deby’s T3 law
A.at high pressures
B.at low pressures
C.at low temperatures
D.at all temperatures
The horizontal to vertical side slope in case of Cpppoletti weir is
A.I : I
B.1 : ?2
C.I : 2
D.4 : I
E.I : 4
Process planning consists of
A.specifying product details
B.specifying quality standards
C.specifying details of work
D.none of the above
Castor is
A.forward tilt of the king pin
B.backward tilt of the king pin
C.either of (A) and (B) above
D.none of the above
For the same temperature limits and heat input, the most efficient cycle is
A.Carnot
B.Otto
C.Diesel
D.Brayton
E.All of the above have same efficiency
Plastic collosion of two bodies of equal mass results in a common velocity after impact which is
A.Sum of their initial velocities
B.Difference of their initial velocities
C.Average of their initial velocities
D.Independent of their initial velocities
E.None of the above
