  # ISRO Scientist or Engineer Civil 2017

Instructions

For the following questions answer them individually

Question 1

# The resultant of two forces each equal to P and acting at right angles is Question 2

# Non coplanar concurrent forces are those forces which Question 3

# The point through which the whole weight of the body acts, irrespective of its position, is known as Question 4

# The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about an axis passing through its centre of gravity and parallel to width is Question 5

# Modulus of rigidity is the ratio of Question 6

# Two bars of different materials and same size are subjected to the same tensile force. If the bars have unit elongation in the ratio of 3:5, then the ratio of modulus of elasticity of the two materials will be Question 7

# Modular ratio of the two materials is the ratio of Question 8

# The young’s modulus of a material is 150 GPa and Poisson’s ratio is 0.25, the modulus of rigidity of the material is Question 9

# A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum normal stress will be Question 10

# vessel of 4 $$m^{3}$$ contains oil which weighs 30 kN. The specific weight of the oil is OR