Question: Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to___________________?

• 1. Modulus of rigidity
• 2. Angle of twist
• 3. Reciprocal of the length of the shaft
• 4. Moment of inertia of the shaft section

Question: Pick up the correct statement from the following?

• 1. Mcg = M M2 + r2) where letters carry their usual meanings
• 2. Tcp = m2 + T2)where letters carry their usual meanings
• 3. The torque which when acting alone would produce maximum shear stress equal to the maximum shear stress caused by the combined bending and torsion, is called equivalent torque
• 4. All the above

Question: inertia of a rectangular section of width and depth about an axis passing The moment of through C.G. and parallel to its width is_______________?

• 1. BD²/6
• 2. BD3/6
• 3. BD3/12
• 4. B²D/6

Question: Pick up the correct statement from the following?

• 1. Hoop strain of the walls of a cylinder due to liquid is (pd/2tE) (1 – 1/2m)
• 2. Longitudinal strain in the walls of a cylinder due to liquid is (pd/2 tE) (1/2 – 1/m)
• 3. Volumetric change in the cylinder due to liquid is (pd/2tE) (5/2 – 2/m)
• 4. All the above

Question: For the close coil helical spring of the maximum deflection is__________________?

• 1. WD3n/d4N
• 2. 2WD3n/d4N
• 3. 4W²D3n/d4N
• 4. 8WD3n/d4N

Question: The desirable rate of change of cant deficiency in case of Metre Gauge is_______________?

• 1. 20 mm/sec
• 2. 35 mm/sec
• 3. 55 mm/sec
• 4. 65 mm/sec

Question: Number of cotters used in CST-9 sleepers is__________________?

• 1. 2
• 2. 3
• 3. 4
• 4. 5

Question: Number of keys used in CST-9 sleeper is_________________?

• 1. 2
• 2. 3
• 3. 4
• 4. none of the above

Question: Width of ballast section for Broad Gauge is_________________?

• 1. 1.83 m
• 2. 2.25 m
• 3. 3.35 m
• 4. 4.30 m

Question: The sleepers resting directly on girder are fastened to the top flange of girder by________________?

• 1. hook bolts
• 2. dog spikes
• 3. fang bolts
• 4. rail screws