Q.1
Calculate the specific weight and weight of 20dm3 of petrol of specific gravity 0.6.
• a) 5886,117.2
• b) 5886,234.2
• c) 11772,117.2
• d) None of the mentioned
Q.2
• a) 0.8
• b) 0.7
• c) 0.9
• d) 0.5
Q.3
For an incompressible fluid does density vary with temperature and pressure?
• a) It varies for all temperature and pressure range
• b) It remains constant
• c) It varies only for lower values of temperature and pressure
• d) It varies only for higher values of temperature and pressure
Q.4
Specific gravity is what kind of property?
• a) Intensive
• b) Extensive
• c) None of the mentioned
• d) It depends on external conditions
Q.5
If there is bucket full of oil and bucket full of water and you are asked to lift them, which one of the two will require more effort given that volume of buckets remains same?
• a) Oil bucket
• b) Water bucket
• c) Equal effort will be required to lift both of them
• d) None of the mentioned
Q.6
• a) 5 N/m3
• b) 50 N/m3
• c) 2 N/m3
• d) 10 N/m3
Q.7
Should Specific Wieght of incompressible fluid only be taken at STP?
• a) Yes, as specific weight may show large variation with temperature and pressure
• b) No, it can be taken for any temperature and pressure
• c) It should be taken at standard temperature but pressure may be any value
• d) It should be taken at standard pressure but temperature may be any value
Q.8
An instrument with air as fluid was involved in some experiment( specific volume was the characteristic property utilized) which was conducted during day in desert. Due to some reason experiment couldn’t be conducted during day and had to be conducted during night. However there were considerable errors in obtained values. What might be the reason of these errors?
• a) It was human error
• b) It was instrumental error
• c) Error was due to the fact that experiment was conducted at night
• d) None of the mentioned
Q.9
A stone weighedN on earth. It was dropped in to oil of specific gravity 0.8 on a planet whose acceleration due to gravity is 5m/sIt displaced oil having weight of 100N. What was the volume of oil displaced by the stone?
• a) 25 Litres
• b) 15 Litres
• c) 25 m3
• d) None of the mentioned
Q.10
An compressible fluid’s specific gravity was measured on earth, on a planet having acceleration due to gravity 5.5 times that of earth, and in space at STP. Where will it be having highest value?
• a) on the earth
• b) on the planet
• c) in the space
• d) it will be constant everywhere