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  • Question

  • If the masses of both the bodies, as shown in the below figure, are doubled, then the acceleration in the string will be
    If the masses of both the bodies, as shown in the below figure, are doubled, then the acceleration i


  • Options
  • A. same
  • B. half
  • C. double

  • Correct Answer
  • same 

    • More questions

    • 1. Slow speed of the spindle is necessary in

    • Options
    • A. thread cutting
    • B. turning a work of larger diameter
    • C. turning a hard or tough material
    • D. all of these
      • Discuss
    • 2. A zinc diffusion process is called

    • Options
    • A. galvanising
    • B. anodising
    • C. parkerising
    • D. sherardizing
      • Discuss
    • 3. A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit power of the wheel is

    • Options
    • A. 0.25 kW
    • B. 0.75 kW
    • C. 1.75 kW
    • D. 3.75 kW
      • Discuss
    • 4. A simple turbo-jet engine is basically a gas turbine engine equipped with a propulsive nozzle and diffuser.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 5. A basic hole is one whose

    • Options
    • A. lower deviation is zero
    • B. upper deviation is zero
    • C. lower and upper deviations are zero
    • D. none of these
      • Discuss
    • 6. The cutting fluid mostly used for machining steel is

    • Options
    • A. water
    • B. soluble oil
    • C. dry
    • D. heavy oils
      • Discuss
    • 7. Which of the following iron exist between 910° C and 1403° C?

    • Options
    • A. ?-iron
    • B. ?-iron
    • C. ?-iron
    • D. ?-iron
      • Discuss
    • 8. The loss of pressure head in case of laminar flow is proportional to

    • Options
    • A. velocity
    • B. (velocity)2
    • C. (velocity)3
    • D. (velocity)4
      • Discuss
    • 9. The refrigerant carbon dioxide is not widely used because of its __________ power require ments per tonne of refrigeration and high operating pressures.

    • Options
    • A. low
    • B. high
      • Discuss
    • 10. Shrinkage allowance is made by adding to external dimensions and subtracting from internal dimensions.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss

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