FREE Mechanical Aptitude Ultimate Question and Answers
What among the following won't float on water?
250 gallons of product are being transferred from Tank A to Tank B at a rate of 10 gallons per hour. Already, 30 gallons have been moved to Tank B. How much time is left until the transfer is finished?
In the event that the material is ductile and the cutting speed is high, then
When ductile metal is cut at a high cutting speed and there is little friction between the chips and the tool face, continuous chips are produced. Conditions that lead to the formation of continuous type chips Use a ductile metal, such as mild steel. the tool's steep rake angle.
Cut depth is determined by
It involves moving a tool along a task in a direction opposite the direction of the surface being machined. Cut depth is influenced by several factors, including cutting speed, tool material rigidity, and others. For roughing operations, the depth of cut typically ranges from 1 to 5 mm, whereas for finishing operations, it ranges from 0.2 to 1 mm.
Liquid capillary motion is caused by the
Capillary action is the mechanism by which a liquid moves through a small opening defying external forces like gravity, or even working against them. The effect can be observed in a biological cell, in a thin tube, in porous materials like paper and plaster, in some non-porous materials like sand, liquid carbon fiber, and some other porous materials. Intermolecular forces between the surrounding solid surfaces and the liquid cause it to happen.
What does an orifice plate serve?
O-ring plate A device known as an orifice plate is used to measure flow rate, lower pressure, or restrict flow (in the latter two cases it is often called a restriction plate).
The most powerful force in a cutting process is
The force acting on a moving body in a direction tangent to the body's curved path is known as a tangential force. The acceleration will be negative if the object's velocity is positive.