1
GATE ME 1997
MCQ (Single Correct Answer)
+2
-0.6
In a point to point control $$NC$$ machine, the slides are positioned by an integrally mounted stepper motor drive. If the specification of the motor is $$1$$ deg/pulse, and the pitch of the lead screw is $$3.6$$ $$mm,$$ what is the expected positioning accuracy?
A
$$1$$ micron
B
$$10$$ micron
C
$$50$$ micron
D
$$100$$ micron
2
GATE ME 1997
MCQ (Single Correct Answer)
+2
-0.6
A mass of 35 kg is suspended from a weightless bar AC, which is supported by a cable CB and a pin at A as shown in Fig. below. The pin reactions at A on the bar AB are GATE ME 1997 Strength of Materials - Shear Force and Bending Moment Question 9 English
A
Rx = 343.4 N
Ry = 755.4 N
B
Rx = 343.4 N
Ry = 0
C
Rx = 755.4 N
Ry = 343.4 N
D
Rx = 755.4 N
Ry = 0
3
GATE ME 1997
Subjective
+5
-0
The suspension system of a two-wheeler can be equated to a single spring-mass system with a viscous damper connected in series. Sketch the free body diagram and give the equations of motion. For a mass $$m = 50$$ $$kg$$ and a spring with a stiffness of $$35$$ $$kN/m,$$ determine what should be the damping coefficient (damping constant) for critical damping. What can be the damping force for a plunger velocity of $$0.05$$ $$m/s$$?
4
GATE ME 1997
MCQ (Single Correct Answer)
+2
-0.6
The following data pertain to a single stage impulse steam turbine:
Nozzle angle $$=$$ $${20^ \circ };$$
Blade velocity $$= 200$$ $$m/s;$$
Relative steam velocity at entry $$= 350$$ $$m/s;$$
Blade inlet $$30;$$
Blade exit angle $$ = {25^ \circ }.$$

If blade friction is neglected, the work done per $$kg$$ steam is

A
$$124$$ $$kJ$$
B
$$164$$ $$kJ$$
C
$$169$$ $$kJ$$
D
$$174$$ $$kJ$$
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