FREE Mechanical Aptitude Ultimate Question and Answers
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.
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.
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?
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.
What among the following won't float on water?
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).
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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.
Used to cut curves into plastic or wood. (Its flimsiness makes it easier to curve.)
A coping saw is a small, handheld saw that is specifically designed for cutting curves in plastic or wood. It is commonly used in woodworking and carpentry to make intricate and detailed cuts, such as when shaping moldings, cutting out patterns, or fitting joints with complex curves.
When ordinary screwdrivers won't fit, use this. These screwdrivers also give the operator the option to apply a decent amount of torque to the screw being driven.
The tool you are referring to is called an "Offset Screwdriver" or "Angled Screwdriver." However, the more common term used for this type of tool is a "Ratcheting Screwdriver."
Used to check whether a piece of work is square.
The tool used to check whether a piece of work is square is called a "Try Square." A Try Square is a simple and essential measuring tool used in woodworking, metalworking, and other trades to verify the accuracy of right angles (90-degree angles) on a workpiece.
Used to easily and firmly grasp sheet metal or round metal stock.
Vise-Grips are a type of pliers that have a unique locking mechanism. They are designed to easily and firmly grasp sheet metal, round metal stock, or other materials, and they can maintain a secure grip without requiring constant pressure from the user.
Used to calculate the ideal tire inflation pressure.
A "Tire Gauge" is the tool used to calculate or measure the ideal tire inflation pressure for a vehicle's tires. Tire gauges come in various types, including analog (dial), digital, and pencil-style gauges.
A hexagonal key with a L shape that is used to tighten and loosen machined setscrews.
Used for swiftly sanding plastic, metals, or wood. On this machine, various abrasives that are embedded in the belts are used in a back and forth motion.
A belt sander is a power tool used for rapidly sanding and smoothing surfaces of materials like plastic, metals, or wood. It consists of an electric motor that drives a continuous loop of abrasive sandpaper belt in a back and forth motion. The sandpaper belts used in belt sanders have various grits (coarseness), allowing the user to choose the appropriate one for the specific sanding task.
Used to cut panels' holes. Due to the absence of a frame, unlike the coping saw, this saw is not constrained to a work piece's edge.
A keyhole saw is a hand saw that is designed to cut small holes or openings in panels, drywall, or wood. It is particularly useful for making narrow cuts or starting holes in the middle of a workpiece where a regular saw might not fit due to the absence of a frame.