A. sin 9
B. sin 9
C. cas 9
D. cos 9
E. tan 9
Related Mcqs:
- For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has ____________________?
A. more heating surface
B. less heating surface
C. equal heating surface
D. heating surface depends on other parameters
E. none of the above - The rise or depression of liquid in a tube due to surface tensionwim increase in size of tube will________________?
A. increase
B. remain unaffected
C. may increase or decrease depending on the characteristics of liquid
D. decrease
E. unpredictable - The pistons are usually given a coating such as tin plating in order to________________?
A. reduce weight
B. conduct heat efficiently
C. reduce possibility of scoring
D. reduce friction
E. increase lubrication effect - Pick up the wrong statement about water tube boiler in comparison to fire tube boilers ______________________?
A. former generates steam at high pressure
B. former occupies less space for same power
C. rate of steam flow is more in former case
D. former is used for high installed capacity
E. chances of explosion are less in former case - Steam in water tube boiler as compared to fire tube boiler_________________?
A. can be raised rapidly
B. is raisd at slower rate
C. is raised at same rate
D. could be raised at fast/slow rate depending on design
E. none of the above is true - Manometer 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. velocity - 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 - An open vessel of water is accelerated up an inclined plane. The free water surface will__________________?
A. be horizontal
B. make an angle in direction of inclination of inclined plane
C. make an angle in opposite direction to inclination of inclined plane
D. any one of above is possible
E. none of the above
