Related Questions

The gypsys are a tribe of strange people. They do not have any fixed home but wander about from place to place and live in tents. they were originally natives of India. But as they reached England from Egypt ,the English took them from Egyptians. this is why they came to be called gypsys. they were beloved to possess strange powers. they could tell your fortune by reading the palm of your hand. it was thought they stole little children to train them in their way of life. whenever a child got lost it was thought that it has been carried away by gypsys so they were arrested and sent for trial. but this attitude towards the Gypsy has gradually changed.The gypsies are people who ---
ক have a settled way of life
খ came originally from Egypt to England
গ are always on the move
ঘ steal children to train them in the way of life
A farmer's land is in the shape of a trapezium which has its parallel sides measuring 2.56 yards and 3.44 yards and the distance between the parallelsides in 1.44 yards. The cost of ploughing the land is Rs 1800 per square yard. What amount will (in Rs) have to be spent in order to plough the entire land?
ক 3672
খ 6732
গ 7776
ঘ 8214
A company owns some land and buildings for which the following details are relevant : Cost of land Taka 50,000; cost of building Taka 100,000, estimated life of building 20 years, estimated residual value of building Taka 2000; estimated residual value of land Taka 50,000. The company uses the straight line depreciation method. Which is the correct annual depreciation charge for this asset?
ক Taka 4000
খ Taka 4900
গ Taka 7400
ঘ Taka 7500
How are the efficiencies of any heat engine (miu) and reversible heat engine (miuR) compared, when both are operating between same heat source and same heat sink?
ক miu = miuR
খ miu>miuR
গ miu
ঘ none of these
Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is
ক Finned tube heat exchanger with air inside and steam outside
খ Finned tube heat exchanger with air outside and steam inside
গ Shell and tube heat exchanger with air inside tubes and steam on shell side
ঘ Shell and tube heat exchanger with air on shell side and steam inside tubes
The scales form in heat exchanges after a period of operation and provide additional resistance to heat transfer with some heat transfer coefficient . The reciprocal of this scale heat transfer coefficient is called .
ক scaling factor
খ forming factor
গ resisting factor
ঘ fouling factor
Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the
ক Surrounding temperature
খ Average temperature of the fin
গ Temperature of the fin end
ঘ Constant temperature equal to that of the base
For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it
ক Occupies smaller space
খ Is more economical
গ Is easy to operate and maintain
ঘ All of the above
Rahim has invited his three buddies over to watch the basketball game on his wide-screen television. They are all hungry, but no one wants to leave to get food. Just as they are arguing about who should make the food run, a commercial comes on for a local pizzeria that delivers. The phone number flashes on the screen briefly and they all try to remember it. By the time Zachary grabs a pen and paper, each of them recollects a different number.i. All of the men agree that the first three numbers are 995.ii. Three of them agree that the fourth number is 9.iii. Three agree that the fifth number is 2.iv. Three agree that the sixth number is 6; three others agree that the seventh number is also 6.Which of the numbers is most likely the telephone number of the pizzeria?
ক 995-9266
খ 995-9336
গ 995-9268
ঘ 995-8266
Which type of heat exchanger is preferred for heavy heat loads?
ক Double pipe
খ Plate fine
গ Series and parallel set of shell and tube
ঘ None of these

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