1
GATE ME 2012
MCQ (Single Correct Answer)
+2
-0.6
A solid circular shaft needs to be designed to transmit a torque of 50N.m. If the allowable shear stress of the material is $$140$$MPa, assuming a factor of safety of $$2,$$ the minimum allowable design diameter in mm is
A
$$8$$
B
$$16$$
C
$$24$$
D
$$32$$
2
GATE ME 2011
MCQ (Single Correct Answer)
+2
-0.6
A torque $$T$$ is applied at the free end of a stepped rod of circular cross-sections as shown in the figure. The shear modulus of the material of the rod is $$G.$$ The expressions for diameter to produce an angular twist $$\theta $$ at the free end is GATE ME 2011 Strength of Materials - Torsion Question 3 English
A
$${\left( {{{32TL} \over {\pi \theta G}}} \right)^{{1 \over 4}}}$$
B
$${\left( {{{18TL} \over {\pi \theta G}}} \right)^{{1 \over 4}}}$$
C
$${\left( {{{16TL} \over {\pi \theta G}}} \right)^{{1 \over 4}}}$$
D
$${\left( {{{2TL} \over {\pi \theta G}}} \right)^{{1 \over 4}}}$$
3
GATE ME 2009
MCQ (Single Correct Answer)
+2
-0.6
A solid shaft of diameter, $$d$$ and length, $$L$$ is fixed at both the ends. A torque, $${T_0}$$ is applied at a distance, $$L/4$$ from the left end as shown in the figure below. GATE ME 2009 Strength of Materials - Torsion Question 8 English

The maximum shear stress in the shaft is

A
$${{16{T_0}} \over {\pi {d^3}}}$$
B
$${{12{T_0}} \over {\pi {d^3}}}$$
C
$${{8{T_0}} \over {\pi {d^3}}}$$
D
$${{4{T_0}} \over {\pi {d^3}}}$$
4
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
A machine frame shown in the figure below is subjected to a horizontal force of $$600$$ $$N$$ parallel to $$Z$$-direction. GATE ME 2007 Strength of Materials - Torsion Question 2 English

The normal and shear stresses in $$MP$$a at point $$P$$ are respectively

A
$$67.9$$ and $$56.6$$
B
$$56.6$$ and $$67.9$$
C
$$67.9$$ and $$0.0$$
D
$$0.0$$ and $$56.6$$
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