Elements_01

50問 • 1年前

Jacky Shane Luyas Buhia

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問題一覧

What is a lathe with multiple cutting stations?

A. Turret lathe

Which of the following is non-magnetic?

D. Manganese Steel

Which of the following steels contain nickel?

B. SAE 2040

One of the typical types of steel used as spring material.

C. Piano wire

A high-quality high-carbon wire that is widely used as spring material in the smaller diameters.

B. Music wire

Which of the following is the best instrument for measuring a thousandth of an inch?

A. Micrometer

Which of the following gases is typically used in nitriding process of surface hardening?

C. Ammonia gas

How do you call the product of the length and diameter of the bearing?

A. Projected area

Device used to measure an accurate speed:

C. Tachometer

It is a beam where one end is fixed and other end is free. How do you call this beam?

A. Cantilever beam

It is a type of bolt distinguised by a short portion of shank underneath the head, being square or finned or ribbed. What is this bolt?

D. Carriage bolt

Permanent deformation or strain may occur without fracture:

D. Plasticity

Killed steel is always associated with:

A. Silicon

What is the other term used for Kennedy key?

A. Tangential key

What do you call a wire rope in which the wires and strands are twisted in same direction?

B. Lang lay

This circle is drawn through the bottom of the gear tooth; its center is at the gear center. What do you call this circle?

D. Dedendum circle

It is an acronym in machining. This process uses an electrode to remove metal from a workpiece by generating electric sparks between conducting surfaces.

C. EDM

The principal raw materials used in steel making are iron ore, coal and ____________.

B. Limestone

It is a metal that assists lubrication or lubricant in itself. What is this metal?

B. Babbit

In die casting accurate parts made of steel, what shrinkage allowance in inches per inch is recommended?

B. 0.022

A type of key in which width and thickness are equal is called as:

B. Square key

V-belt operate efficiently at speed of about:

A. 4500 fpm

It is the ability of material to transmit heat.

C. Thermal conductivity

It is a science of motion that can be solved in terms of scalar or vector algebra. How do you call this science?

A. Kinematics

It is the intensity and direction of internal force acting at given point on particular plane.

C. Stress

The maximum stress to which a material may be subjected before failure occurs.

B. Ultimate stress

How do you call a fixed crane consisting of a supported vertical member from which extends a horizontal swinging arm carrying a trolley hoist or other hoisting mechanism?

A. Jib crane

It deals only with the motion of bodies without reference to the forces that cause them. What is this?

C. Kinematics

For two externally meshing gears, which of the following is incorrect?

A. The same direction of rotation

For two internally mashing gears, which of the following is incorrect?

A. Opposite directions of rotation

If stiffness is the main criterion in selecting a material, which of the following is the most economical choice?

B. SAE 1020

What is the property of matter that causes it to resist any change in its motion or state of rest?

C. Inertia

When two elastic bodies collide, which of the following laws can be used to solve for the resulting velocity?

B. Conservation of momentum and conservation of energy

This radial distance in a gear is measured between the addendum and dedendum circle, and is the sum of the addendum and the dedendum? How do you call this distance?

B. Whole depth

The tooth width measured along the chord at the pitch circle is known as:

B. Chordal thickness

If the band wraps partly around the brake wheel or drum, and braking action is obtained by pulling the band tight onto the wheel.

B. Band brake

Newton's law of motion that describes that if a force acts to change the state of motion of the body, the body offers a resistance equal and directly opposite to the force.

B. Third law

What is a manufacturing process used for the production of aluminum?

B. Extrusion

How do you call the separate forces that can be so combined?

D. Concurrent forces

If the velocity of a mass is the same all the time during which motion takes place is called as:

B. Uniform motion

This refers to the space between adjacent coils when the spring is compressed to its operating length.

A. Coil clearance

It is a Grashof four-bar mechanism in which the shortest link is the frame or fixed link and the other two cranks completely rotate with their axes. How do you call this Grashof four-bar mechanism?

A. Drag-link mechanism

How do you call the speed at which a rotating shaft becomes dynamically unstable?

C. Critical speed

What is the intersection of the elements making up the pitch cone?

C. Apex of pitch cone

How do you call the ratio of mean diameter of coil and the coil diameter of a spring?

C. Spring index

How do you call a large wood screw that is used to fasten machinery and equipment to a wooden base?

A. Lag screw

A property of material that relates the lateral strain to the longitudinal strain:

C. Poisson's ratio

In a pressure vessel, the usual factor of safety may be taken as:

D. 5

Which of the following is the 4th most commonly used metal in the world?

A. Zinc

The typical helix angle ranges from _______ to __________.

D. 15° to 25°

Item 311 Portland Cement Concrete Pavement (PART 1)

ユーザ名非公開 · 78問 · 13日前

Item 311 Portland Cement Concrete Pavement (PART 1)