1 kg.m is equal to_________________?

Related Mcqs:

1. Mechanical equivalent of heat for 1 kcal or Joule’s equivalent is equal to_________________?

   A. 421 kgm
   B. 421 kgm
   C. 539 kgm
   D. 102 kgm
   E. 75 kgm

2. Kinematic viscosity is equal to_________________?

   A. dynamic viscosity/density
   B. dynamicviscosity x density
   C. density/dynamic viscosity
   D. 1/dynamicviscosity x density
   E. same as dynamic viscosity

3. A pressure of 25 m of head of water is equal to_________________?

   A. 25 kN/m2
   B. 245 kN/m2
   C. 2500 kN/m2
   D. 2.5kN/m2
   E. 12.5 kN/m2

4. A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to_________________?

   A. 10 kg
   B. 100 kg
   C. 1000 kg
   D. 1 kg
   E. 10,000 kg

5. According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to_________________?

   A. the weight of the body
   B. more than the weight of the body
   C. less than the weight of the body
   D. weight of the fluid displaced by the body
   E. weight of body plus the weight of the fluid displaced hy the body

6. The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to_________________?

   A. 1000
   B. 2100
   C. 2700
   D. 10,000
   E. 21,000

7. Secondary air is the used to_________________?

   A. provide air around burners for obtaining optimum combustion
   B. transport and dry the coal
   C. convert CO (formed in lower zone of furnace) into C02 at higher zone
   D. air delivered by induced draft fan
   E. air fed to pulverisers

8. Exhaust pipes of engines are covered with insulating marterial in order to_________________?

   A. keep the exhaust pipes warm
   B. reduce formation of condenstae
   C. reduce heat transfer to the engine room
   D. increase engine efficiency
   E. conserve heat

9. High carbon content in diesel oil used for diesel engine leads to_________________?

   A. production of highly corrosive gases corroding the cylinder walls and exhaust system
   B. excessive engine wear
   C. damaging of both the storage tank and the engine
   D. deposition on engine parts
   E. none of the above.

10. The velocity of jet of water travelling out of opening in a tank filled with water is proportional to_________________?

    A. head of water (h)
    B. h2
    C. V/T
    D. h2
    E. h3/1