Daily Question Banks for Engineering Entrance and Board Exams

Questions

Physics

In an industrial process 10 kg of water per hour is to be heated from 20 oC to 80 oC. To do this, steam at 150 oC is passed from a boiler into a copper coil immersed in water. The steam condenses in the coil and is returned to the boiler as water at 90 oC. How many kg of steam are required per hour? Specific heat of steam = 1 kilo cal kg-1 oC-1. Latent heat of steam = 540 kilo cal kg-1.

Chemistry

True or False :
A mineral is an ore but an ore may not be a mineral.

Mathematics

Passage Based Question
Passage I
If p is a prime, then exponent of p in n! equals

The number of zeros at the 100!
(a) 22 (b) 23
(c) 24 (d) 26
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