GATE ME 2014 | GATE ME Year Wise Previous Years Questions

GATE ME 2014

MCQ (Single Correct Answer)

-0.6

Gear 2 rotates at 1200 rpm in counter clockwise direction and engages with Gear 3. Gear 3 and Gear 4 are mounted on the same shaft. Gear 5 engages with Gear 4. The numbers of teeth on Gears 2, 3, 4 and 5 are 20, 40, 15 and 30, respectively. The angular speed of Gear 5 is GATE ME 2014 Theory of Machines - Gears and Gear Trains Question 12 English

GATE ME 2014 Theory of Machines - Gears and Gear Trains Question 12 English

300 rpm counter clockwise

300 rpm clockwise

4800 rpm counter clockwise

4800 rpm clockwise

GATE ME 2014

MCQ (Single Correct Answer)

-0.6

It is desired to avoid interference in a pair of spur gears having a 20^o pressure angle. With increase in pinion to gear speed ratio, the minimum number of teeth on the pinion

increases

decreases

first increases and then decreases

remains unchanged

GATE ME 2014

MCQ (Single Correct Answer)

-0.3

Critical damping is the

largest amount of damping for which no oscillation occurs in free vibration

smallest amount of damping for which no oscillation occurs in free vibration

largest amount of damping for which the motion is simple harmonic in free vibration

smallest amount of damping for which the motion is simple harmonic in free vibration

GATE ME 2014

MCQ (Single Correct Answer)

-0.3

In vibration isolation, which one of the following statements is NOT correct regarding Transmissibility ($$T$$)?

$$T$$ is nearly unity at small excitation frequencies

$$T$$ can be always reduced by using higher damping at any excitation frequency

$$T$$ is unity at the frequency ratio of $$\sqrt 2 $$

$$T$$ is infinity at resonance for undamped systems

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