1
GATE ME 2015 Set 2
MCQ (Single Correct Answer)
+2
-0.6
A hollow shaft (d0 = $$2$$di, where d0 and di are the outer and inner diameters respectively) needs to transmit $$20$$ kW power at $$3000$$ RMP. If the maximum permissible shear stress is $$30$$MPa, d0 is
A
$$11.29$$ mm
B
$$22.58$$ mm
C
$$33.87$$ mm
D
$$45.16$$ mm
2
GATE ME 2015 Set 2
Numerical
+1
-0
A rope brake dynamometer attached to the crank shaft of an $$I.C.$$ engine measures a brake power of $$10$$ kW when the speed of rotation of the shaft is $$400$$ rad/s. The shaft torque (in N-m) sensed by the dynamometer is ________
Your input ____
3
GATE ME 2015 Set 2
Numerical
+2
-0
A hollow shaft of $$1$$ m length is designed to transmit a power of $$30$$ kW at $$700$$ rpm. The maximum permissible angle of twist in the shaft is $${1^0}.$$ The inner diameter of the shaft is $$0.7$$ times the outer diameter. The modulus of rigidity is $$80$$ GPa. The outside diameter (in mm) of the shaft is _______
Your input ____
4
GATE ME 2015 Set 2
Numerical
+2
-0
A cantilever beam with square cross-section of 6 mm side is subjected to a load of 2kN normal to the top surface as shown in figure. The Young’s modulus of elasticity of the material of the beam is 210 GPa. The magnitude of slope (in radian) at Q (20 mm from the fixed end) is ________ GATE ME 2015 Set 2 Strength of Materials - Deflection of Beams Question 8 English
Your input ____
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