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Q) When a point load on the free end of a cantilever beam is increased, failure will occur

  • At the free end
  • At the fix end
  • In the middle of the beam.
  • At a distance 2l/3 from free end
Solution

Q) A body is subjected to a tensile stress of 1200 MPa on one plane and another tensile stress of 600 MPa on a plane at right angles to the former. It is also subjected to a shear stress of 400 MPa on the same planes. The maximum normal stress will be

  • 400 MPa
  • 500 MPa
  • 900 MPa
  • 1400 MPa
Solution

Q) A steel bar of 5 mm is heated from 25°C to 45°C and it is free to expand. The bar will induce

  • No stress
  • Shear Stress
  • Tensile stress
  • Compressive stress
Solution

Q) Strain energy is the

  1. Energy stored in a body when strained within elastic limits
  2. Energy stored in a body when strained up to the breaking of a specimen
  3. Maximum strain energy which can be stored in a body
  4. Proof resilience per unit volume of a material
Solution

Q) The volumetric strain is the ratio of the

  1. Original thickness to the change in thickness
  2. Change in thickness to the original thickness
  3. Original volume to the change in volume
  4. Change in volume to the original volume
Solution

Q) Ring pattern drill holes are provided in ..?

(a) long wall mining (b) bord and pillar mining (c) blasting gallery (d) widestall method

Solution

Q) The power source in a pneumatic system is____

  • Air receiver
  • Compressor
  • Valve
  • Muffler
Solution

Q) Which of the following is a part of an actuator in a hydraulic system?

  • Pump
  • Valve
  • Strainer
  • Cylinder
Solution

Q) Which energy is used to transmit power in hydrostatic system

  • Pressure energy
  • Kinetic energy
  • Potential energy
  • All of the above
Solution

Q) How many types of actuators are present in hydraulic systems?

  • One
  • Two
  • Three
  • Four
Solution

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