The weakness section of a diamond riveting is the section which passes through
A.The first row
B.Row with maximum rivets
C.Middle row
D.End row with one rivet only
E.All rows have same strength
Category: Engineeeing Mcqs
The value of Stefan Boltzmann’s constant in kcal-m2-hr-k4 is
A.56.7 x 10-9
B.1.335 x 10-12
C.4.87 x 10-8
D.0.174 x 10-8
E.0.567 x 10-4
If performance of SI engines of different manufacture having different capacities, sizes and systems are to be compared the common parameter would be
A.Engine cylinder diameter
B.B.H.P.
C.Speed
D.Mean effective pressure
E.Weight of engine
For continuous reverse air cleaning in a fabric filter gas-to-fabric ration normally varies from
A.8 to 15 cfm/sq ft
B.0.2 to 0.5 cfm/sq ft
C.50 to 60 cfm/sq ft
D.0.01 to 0.1 cfm/sq ft
The incubation period of Typhoid bacillus causing typhoid fever is
A.1 to 3 days
B.3 to 5 days
C.7 to 21 days
D.20 to 30 days
The numerical value of Young’s modulus of elasticity in ascending order for glass, aluminium, copper, wrought iron and tungsten are given by
A.Tungsten, wrought, iron, copper, aluminium, glass
B.Wrought iron, copper, aluminium, glass, tungsten
C.Copper, aluminium, glass, tungsten, wrought iron
D.Aluminium, glass, copper, wrought, iron, tungsten
E.Glass, aluminium, copper, wrought, iron, tungsten
An electrometer is used for the measurement of
A.Voltages
B.Currents
C.Both (A) and (B) above
D.None of the above
Maximum hardness that can be achieved in plain carbon steel is of the order of
A.50 Rockwell ‘C’
B.66 – 67 Rockwell ‘C’
C.100 – 150 Rockwell ‘C’
D.80-85 Rockwell ‘C’
E.There is no such limit for hardness
A petrol engine fuel that knocks at a low speed
A.has a high octane rating
B.may not knock at high speed
C.will always knock at high speed
D.will have low fire point
A petrol engine as compared to diesel engine (both running at full load) is
A.More efficient
B.Less efficient
C.Equally efficient
D.Depend on other factors
E.None of the above
