TPC 101

Question 1

A length of spindle shaft is specified on a drawing at 1.5 ft. Which of these actual length measurements is acceptable?

Answer 1

1.49 ft.

Question 2

In section drawings, slanted crosshatch lines represent:

Answer 2

Cut Surfaces

Question 3

Which of the six simple machines is a “continuous lever” with equal arms?

Answer 3

Pulley

Question 4

The thread specification 10-32 NC- 1B LH, indicates ___________ threads per inch and an __________ thread.

Answer 4

32 ; Internal

Question 5

In the specification 10-32 NC 1B, the screw has a _________ fit and a _________ - handel.

Answer 5

Loose ; right

Question 6

Sheaves are usually fitted with:

Answer 6

V Shaped belts

Question 7

On a lathe, the compound rest is the base for the:

Answer 7

Tool Holder

Question 8

A drawing that shows all the parts separated from one another is called:

Answer 8

Exploded View

Question 9

On a lathe, the top and swivel are the two main parts of a:

Answer 9

Compound Rest

Question 10

What kind of drawing compresses all the parts into a two-dimensional plane?

Answer 10

Orthographic Projection

Question 11

A drawing may show all the shafts of a gear train in a single plane in order to:

Answer 11

Avoid Confusion

Question 12

The part in the duct that directs and spreads the air is called a:

Answer 12

Diffuser

Question 13

What kind of development is used for making a sheet metal piece with a constant tape?

Answer 13

Radial Line

Question 14

Most industrial plants specify bearings in terms of __________. They specify distances in ___________.

Answer 14

North ; Feet

Question 15

The location of machinery and equipment in a building is shown on a :

Answer 15

Floor Plan

Question 16

Structural drawings of a building show its framework, floors, and _________.

Answer 16

Foundations

Question 17

A vertical view of a building that can be used as a flow diagram is called a ___________.

Answer 17

Elevation Drawing

Question 18

Pascal’s Law states that the pressure at a point acts:

Answer 18

Equally in all directions.

Question 19

If equal pressure acts on both the rod side and the blank side of a piston, which side receives more force:

Answer 19

Blank side

Question 20

Rapid pressure changes in a hydraulic system can be prevented by a(n):

Answer 20

Accumulator

Question 21

Threading is the usual method used to join __________ pipes.

Answer 21

Iron

Question 22

Pipe threads are tapered to:

Answer 22

Produce a tight joint

Question 23

Flanged joints are used for joining ____________ pipes that carry fluids under pressure or at high temperatures.

Answer 23

Large-diameter Industrial

Question 24

Galvanic reaction is the result of joining:

Answer 24

Two different kinds of metals

Question 25

A protective coating forms zinc as a result of:

Answer 25

Corrosion

Question 26

The ampere is the unit of measurement for electric:

Answer 26

Current

Question 27

The metal inside the windings of a transformer is called the :

Answer 27

Core

Question 28

A circuit diagram of a building shows the:

Answer 28

Loads supply by each circuit

Question 29

A plot plan shows the:

Answer 29

Distribution of electricity to all plant buildings

Question 30

A liquid that changes to a gas as it absorbs heat is a:

Answer 30

Refrigerant

Question 31

What part of the refrigeration systems controls the flow of refrigerant from high pressure to low pressure:

Answer 31

Expansion Valve

Question 32

In an air conditioning system a heat exchanger is part of an:

Answer 32

Indirect A/C system

Question 33

Pneumatic controls in an A/C system operate on:

Answer 33

Low-pressure air

Question 34

A refrigerant piping drawing is usually a __________ drawing.

Answer 34

Single Line

Question 35

The main purpose of a sketch is to:

Answer 35

Communicate an idea clearly

Question 36

Objects are shown in three dimensions in a ________ sketch.

Answer 36

Pictorial

Question 37

Parts further from the front are drawn the same size in a __________ sketch.

Answer 37

Isometric

Question 38

Parts that are farther away look smaller in a ___________ sketch.

Answer 38

Perspective

Question 39

Parallel lines:

Answer 39

Never meet