If the cold junction of a thermo-couple is kept at 0⁰C and the hot junction is kept
If the cold junction of a thermo-couple is kept at 0⁰C and the hot junction is kept at T⁰C then…
5 years ago
Questions
A body is placed in an insulating container at temperature 227⁰C.
A body is placed in an insulating container at temperature 227⁰C. In order to keep its temperature at 727⁰C, power…
5 years ago
A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it
A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it at the rate of…
5 years ago
If the interatomic spacing in a steel wire is 3.0 Å and Y of steel is
If the interatomic spacing in a steel wire is 3.0 Å and Y of steel is 20x10¹⁰ N/m², then force…
5 years ago
Which of the following statements is correct?
Which of the following statements is correct? Options (a) A good absorber is a bad emitter (b) Every body absorbs…
5 years ago
Which of the following is true for elastic potential energy density?
Which of the following is true for elastic potential energy density? Options (a) Energy density=1/2 x strain x stress (b)…
5 years ago
Which is correct relation?
Which is correct relation? Options (a) Y<σ (b) Y>σ (c) Y=σ (d) σ=±1 Correct Answer: Y>σ Explanation: No explanation available.…
5 years ago
Stress to strain ratio is equivalent to
Stress to strain ratio is equivalent to Options (a) Modulus of rigidity (b) Poisson's ratio (c) Reynold number (d) Fund…
5 years ago
A metal bar of length L and area of cross-section A is clamped between two rigid
A metal bar of length L and area of cross-section A is clamped between two rigid supports. For the material…
5 years ago
According to Hook’s law of elasticity, if stress is increased, the ratio of stress
According to Hook's law of elasticity, if stress is increased, the ratio of stress to strain Options (a) Increases (b)…
5 years ago