A. pressure in pipes, channels etc
B. atmospheric pressure
C. very low pressure
D. difference of pressure between two points
E. velocity
Related Mcqs:
- Barometer is used to measure__________________?
A. pressure in pipes, channels etc.
B. atmospheric pressure
C. very low pressure
D. difference of pressure between two points
E. rain level - In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 9. Sensitivity of inclined tube to sensitivity of U-tube is equal to________________?
A. sin 9
B. sin 9
C. cas 9
D. cos 9
E. tan 9 - Which of the following manometer has highest sensitivity_________________?
A. U-tube with water
B. inclined U-tube
C. U-tube with mercury
D. micro-manometer with water
E. displacement type - Alcohol is used in manometer, because____________________?
A. its vapour pressure is low
B. it provides suitable meniscus for the inclined tube
C. its density is less
D. it provides longer length for a given pressure difference
E. it provides accurate readings - For manometer, a better liquid combination is one having ___________________?
A. higher surface tension
B. lower surface tension
C. surface tension is no criterion
D. high density and viscosity
E. low density and viscosity - 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 - Choose the wrong statement ?
A. any weight, floating or immersed in a liquid, is acted upon by a buoyant force
B. Buoyant force is equal to the weight of the liquid displaced
C. The point through which buoyant force acts, is called the center of buoyancy
D. Center of buoyancy is located above the center of gravity of the displaced liquid v
E. Relative density of liquids can be determined by means of the depth of flotation of hydrometer - 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 - A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ?
A. 10 m/sec
B. 25 m/sec
C. 2 m/sec
D. 50 m/sec
E. 250 m/sec - Choose the wrong statement?
A. Viscosity of a fluid is that property which determines the amount of its resistance to a shearing force
B. Viscosity is due primarily to interaction between fluid molecules
C. Viscosity of liquids decreases with in-crease in temperature
D. Viscosity of liquids is appreciably affected by change in pressure
E. Viscosity is expressed as poise, stoke, or saybolt seconds
