Mechanical Engineering Mcqs — Test 15
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Question 1
The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body. This statement is known as_________________?
Question 2
Depending on the radiating properties, a body will be white when_________________?
Question 3
Depending on the radiating properties, a body will be opaque when _________________?
Question 4
According to Wien’s law, the wavelength corresponding to maximum energy is proportion to ________________?
Question 5
The unit of work or energy in S.I. units is_______________?
Question 6
Forces are called concurrent when their lines of action meet in________________?
Question 7
Which is the correct statement about law of polygon of forces ?
Question 8
If a number of forces act simultaneously on a particle, it is possible _____________________?
Question 9
A force is completely defined when we specify_______________?
Question 10
Effect of a force on a body depends upon ________________?