Which of the following statement is correct?
The stress is the pressure per unit area
The strain is expressed in mm
Hook's law holds good upto the breaking point
Stress is directly proportional to strain within elastic limit
- Which of the following statement is wrong?
- When shear force at a point is zero, then bending moment is _________ at that point.
- Mond gas is obtained by
- In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The…
- The efficiency of Carnot cycle depends upon
- Which of the following gas is mostly used in town for street and domestic lighting and heating?
- A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear…
- The maximum bending moment for the beam shown in the below figure, is
- In the below figure, curve D represents_________.
- The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is…
- A cantilever beam is one which is
- The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature…
- In order to know whether a column is long or short, we must know its
- The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)
- The entropy __________ in an irreversible cyclic process.
- When a bar is cooled to - 5°C, it will develop
- When a system changes its state from one equilibrium state to another equilibrium state, then the path…
- Those substances which have so far not been resolved by any means into other substances of simpler form…
- The universal gas constant (or molar constant) of a gas is the product of
- In an ideal gas turbine plant, it is assumed that the compression and expansion processes are
- The bending stress in a beam is _________ section modulus.
- A series of operations, which takes place in a certain order and restore the initial conditions at the…
- The ultimate tensile stress of mild steel compared to ultimate compressive stress is
- If Th is the torque resisting capacity of a hollow shaft and Ts is that of a solid shaft, of the same…
- For riveting, the size of hole drilled in plates is __________ shank diameter of rivet.
- When a gas is heated at constant volume
- When coal is first dried and then crushed to a fine powder by pulverising machine, the resulting fuel…
- The oxygen atom is ________ times heavier than the hydrogen atom.
- In the torsion equation T/J = τ/r = Gθ/ L, the term J/R is called
- In the tensile test, the phenomenon of slow extension of the material, i. e. stress increasing with…