Entri Career Fest- Up to 50% Off on In-demand Courses ✦ 12,000+ Government Jobs Secured ✦ 3,900+ Private Job Placements ✦ 4.9 ⭐️ Google Play Store Rating✦ +++

Get Ahead with Our Exam Q&A

Explore our extensive collection of questions and answers to enhance your learning experience and prepare for exams effectively

A carburetor is a device that mixes air and fuel for internal combustion engines in the proper air?fuel ratio for combustion.

A flywheel is a mechanical device specifically designed to efficiently store rotational energy.
Flywheels resist changes in rotational speed by their moment of inertia.
The amount of energy stored in a flywheel is proportional to the square of its rotational speed.

During suction in diesel engine fresh air is taken in, fuel is injected after compression stroke

Water or oil circulated around cylinder in liquid cooled engine.
Fins are used to enhance heat transfer in air cooled engines.

A governor is said to be hunt if the speed of the engine fluctuates continuously above and below the mean speed. This is caused by a too sensitive governor which changes the fuel supply by a large amount when a small change in the speed of rotation takes place.

Torque is directly proportional to flux and square of armature current, so it’s starting torque is high, which reason for d.c series motor used in traction purpose.

The involute of a circle is the spiraling curve traced by the end of an imaginary taut string unwinding itself from that stationary circle called the base circle. In involute gear design contact between a pair of gear teeth occurs at a single instantaneous point where two involutes of the same spiral hand meet. Contact on the other side of the teeth is where both involutes are of the other spiral hand. Rotation of the gears causes the location of this contact point to move across the respective tooth surfaces. The tangent at any point of the curve is perpendicular to the generating line irrespective of the mounting distance of the gears. Thus the line of the force follows the generating line, and is thus tangent to the two base circles, and is known as the line of action.

The purpose of a crowned pulley (or tapered pulley) is to assist with belt tracking.
In most operating conditions, a belt will follow the path of highest tension.
So, it makes sense to have the diameter of the pulley larger in the center than at the edges.

When the spring is cut into two, the no.of coils get halved. therefore, stiffness of each coil get doubled.
When these are connected in parallel, the equivalent spring stiffness = 2k=4k.
Here equivalent stiffness = 4 x 10 Nm = 40 Nm.

The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be to raise the nose and dip of the tail.

Get Expert Advice for Free: Register for Your Free Consultation Now!

Full Name

Phone Number

Select Language

Select Course

[honeypot honeypot-100]