While dragging, the coefficient to friction (using steel plate) will be maximum in case of
A.soda ash
B.wet saw dust
C.cement
D.dry, hog fuel
Category: Mechanical Engineering Mcqs
As there is plenty of time for heat transfer across the walls, the flow in long pipes at low velocities attains
A.isentropic conditions
B.adiabatic conditions
C.isothermal conditions
D.polytropic conditions
If w is the angular velocity of the pulley and T1 and T2 are tensions of driving and driven side then power transmitted equals
A.(T1 + T2) w
B.(T1 – T2) w
C.wT1
D.(T1 + 2T2) w
In furan moulding which of the following is used as a catalyst?
A.Ammonium hydroxide
B.Potassium hydroxide
C.Phosphoric acid
D.Phenol formaldehyde
In small castings which of the following allowance can be ignored?
A.Shrinkage allowance
B.Rapping allowance
C.Draft allowance
D.Machining allowance
In Brinell hardness tester the load for aluminium is
A.300 kg
B.1500 kg
C.1000 kg
D.500 kg
E.100 kg
In a S.I. engine burned white deposit on spark plug with molten globules indicates that the engine has been generally operating on
A.Too lean mixture
B.Stoichiometric mixture
C.Most economical mixture
D.Slightly rich mixture
E.Too rich mixture
Paper cutting knives steel contains carbon percentage
A.Below 0.2%
B.0.2 to 0.4%
C.0.4 to 0.7%
D.0.8 to 1%
E.1.3 to 1.5%
The dimensions of gravitational constant G
A.MLT-1
B.MLT-2
C.ML2T-1
D.M-1L3T-2
All of the following types of companies have board of directors EXCEPT:
A.Public sector undertakings
B.Private limited companies
C.Public limited companies
D.Cooperative societies
