Related Questions

The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
When a body is subjected to a direct tensile stress ($$\sigma $$) in one plane, then normal stress on an oblique section of the body inclined at an angle $$\theta $$ to the normal of the section is
A $$\sigma \cos \theta $$
B $$\sigma {\cos ^2}\theta $$
C $$\sigma \sin\theta $$
D $$\sigma {\sin ^2}\theta $$
The normal temperature of human body in Celsius Scale is :
A 35.7
B 36.5
C 36.9
D 37.8
The normal temperature of human body in Celsius Scale is
A 35.7 degree
B 36.9 degree
C 37.8 degree
D 39.4 degree
Normal temperature of human body is - ( মানবদেহের স্বাভাবিক তাপমাত্রা কত? )
A 98.4°C
B 100°C
C 98.4°F
D 100°F
The normal temperature of human body on the Kelvin scale is
A 280K
B 290K
C 300K
D 310K
When a body is subjected to a direct tensile stress (σ) in one plane, then maximum normal stress occurs at a section inclined at _________ to the normal of the section.
A 0°
B 30°
C 45°
D 90°
When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be
A Positive
B Negative
C Zero
D None of these
When a body is subjected to a direct tensile stress ($$\sigma $$) in one plane, then tangential or shear stress on an oblique section of the body inclined at an angle $$\theta $$ to the normal of the section is
A $$\sigma \sin 2\theta $$
B $$\sigma \cos 2\theta $$
C $$\frac{\sigma }{2}\sin 2\theta $$
D $$\frac{\sigma }{2}\cos 2\theta $$
The fibrous membranes surrounding organs in the human body are tough _______ add strength to the parts of the body they cover.
A moreover
B furthermore
C since
D and

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