TPC 101 Flashcards
A length of spindle shaft is specified on a drawing at 1.5 ft. Which of these actual length measurements is acceptable?
1.49 ft.
In section drawings, slanted crosshatch lines represent:
Cut Surfaces
Which of the six simple machines is a “continuous lever” with equal arms?
Pulley
The thread specification 10-32 NC- 1B LH, indicates ___________ threads per inch and an __________ thread.
32 ; Internal
In the specification 10-32 NC 1B, the screw has a _________ fit and a _________ - handel.
Loose ; right
Sheaves are usually fitted with:
V Shaped belts
On a lathe, the compound rest is the base for the:
Tool Holder
A drawing that shows all the parts separated from one another is called:
Exploded View
On a lathe, the top and swivel are the two main parts of a:
Compound Rest
What kind of drawing compresses all the parts into a two-dimensional plane?
Orthographic Projection
A drawing may show all the shafts of a gear train in a single plane in order to:
Avoid Confusion
The part in the duct that directs and spreads the air is called a:
Diffuser
What kind of development is used for making a sheet metal piece with a constant tape?
Radial Line
Most industrial plants specify bearings in terms of __________. They specify distances in ___________.
North ; Feet
The location of machinery and equipment in a building is shown on a :
Floor Plan
Structural drawings of a building show its framework, floors, and _________.
Foundations
A vertical view of a building that can be used as a flow diagram is called a ___________.
Elevation Drawing
Pascal’s Law states that the pressure at a point acts:
Equally in all directions.
If equal pressure acts on both the rod side and the blank side of a piston, which side receives more force:
Blank side
Rapid pressure changes in a hydraulic system can be prevented by a(n):
Accumulator
Threading is the usual method used to join __________ pipes.
Iron
Pipe threads are tapered to:
Produce a tight joint
Flanged joints are used for joining ____________ pipes that carry fluids under pressure or at high temperatures.
Large-diameter Industrial
Galvanic reaction is the result of joining:
Two different kinds of metals
A protective coating forms zinc as a result of:
Corrosion
The ampere is the unit of measurement for electric:
Current
The metal inside the windings of a transformer is called the :
Core
A circuit diagram of a building shows the:
Loads supply by each circuit
A plot plan shows the:
Distribution of electricity to all plant buildings
A liquid that changes to a gas as it absorbs heat is a:
Refrigerant
What part of the refrigeration systems controls the flow of refrigerant from high pressure to low pressure:
Expansion Valve
In an air conditioning system a heat exchanger is part of an:
Indirect A/C system
Pneumatic controls in an A/C system operate on:
Low-pressure air
A refrigerant piping drawing is usually a __________ drawing.
Single Line
The main purpose of a sketch is to:
Communicate an idea clearly
Objects are shown in three dimensions in a ________ sketch.
Pictorial
Parts further from the front are drawn the same size in a __________ sketch.
Isometric
Parts that are farther away look smaller in a ___________ sketch.
Perspective
Parallel lines:
Never meet
