A compound bar consists of two bars of equal length. Steel bar cross-section is 3500 mm2 and that of brass bar is 3000 mm2 . These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm2 and Eb = 0.1 MN/mm2 , the stresses developed are: (A) b = 10 N/mm2s = 20 N/mm2(B) b = 8 N/mm2s = 16 N/mm2(C) b = 6 N/mm2s = 12 N/mm2(D) b = 5 N/mm2s = 10 N/mm

A compound bar consists of two bars of equal length. Steel bar cross-section is 3500 mm2

and that 

of brass bar is 3000 mm2

. These are subjected to a compressive load 100,000 N. If Eb = 0.2 

MN/mm2

 and Eb = 0.1 MN/mm2

, the stresses developed are: 

(A) b = 10 N/mm2

s

 = 20 N/mm2

(B) b = 8 N/mm2

s

 = 16 N/mm2

(C) b = 6 N/mm2

s

 = 12 N/mm2

(D) b = 5 N/mm2

s

 = 10 N/mm

by

1 Answer

Answer :

(A) b = 10 N/mm2

s

 = 20 N/mm

by

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Last Answer : (B) 12.88

A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and height of the key being 14mm and 80mm respectively. Find the compressive stress induced in the key. a) 70.1 N/mm2 b) 51.6N/mm2 c) 45.5N/mm2 d) None of the listed

Description : A muff coupling is connecting two shafts. The torque involved is 650N-m. The shaft diameter is 45mm with length and height of the key being 14mm and 80mm respectively. Find the compressive stress induced in the key. a) 70.1 N/mm2 b) 51.6N/mm2 c) 45.5N/mm2 d) None of the listed

Last Answer : b) 51.6N/mm2

As per IS: 456-2000, modulus of elasticity of concrete (in N/mm2) is given by [ A ] 5700 vfCK [ B ] 5000 vfCK [ C ] 3700 vfCK [ D ] 3000 vfCK

Description : As per IS: 456-2000, modulus of elasticity of concrete (in N/mm2) is given by [ A ] 5700 vfCK [ B ] 5000 vfCK [ C ] 3700 vfCK [ D ] 3000 vfCK

Last Answer : [ B ] 5000 vfCK