Which one of the following materials will have lowest cutting speed?
A.Mild steel
B.Aluminium
C.Brass
D.Bronze
E.High carbon steel
Category: Mechanical Engineering Mcqs
All of the following are boring tools EXCEPT:
A.Gauge
B.Brace
C.Pinchdog
D.Auger bit
According to Charle’s law
A.At constant pressure the volume of a gas is proportional to its absolute temperature
B.At constant temperature, pressure is proportional to temperature
C.At constant temperature, pressure of a gas is proportional to its volume
D.At constant volume the absolute pressure is proportional to the temperature
E.None of the above
The slenderness ratio of vertical comumn of square cross-section of 2.5 cm sides and 600 cm length is
A.100
B.200
C.500
D.900
E.1000
Which act provides for lay off and retrenchment compensation?
A.Minimum Wages Act
B.Workmen’s Compensation Act
C.Employees State Insurance Act
D.Employees Provident Fund Act
E.Industrial Disputes Act
The ability of a tool to resist softening at high temperatures is known as
A.Super hardness
B.Red hardness
C.Extended hardness
D.Double hardness
E.None of the above
In case of balancing problems pertaining to locomotives, the resultant unbalanced force is minimum when
A.Half of the reciprocating masses are balanced by rotating masses
B.1/2 of the reciprocating mass are balanced by equivalent rotating mass
C.More than half of the reciprocating masses are balanced by rotating masses
D.Reciprocating masses are balanced half by equivalent opposite reciprocating masses and the balance by rotating masses
E.None of the above
The centroid of the area between the circle x2 + y2 = 16 and the line x + y = 4 will have the coordinates
A.(4, 2)
B.(2, 4)
C.(2.34, 2.34)
D.(1.16, 1.16)
The largest source of revenue for state governments is generally
A.Entertainment tax
B.Sales tax
C.Land revenue
D.Excise duty
In a reversible polytropic process
A.Some heat transfer occurs
B.The entropy remains constant
C.The ethalpy remains constant
D.The internal energy remains constant
E.The temperature remains constant
