Quiz Step by Step 1, Trades & Technology - Industrial And Skilled Trade

1

A low-velocity fastening system that is used to drive steel pins or threaded studs into masonry and steel is a(n)

2

A motor with good sleeve bearings may have an end play of up to _____

3

Consider the iron‐nickel peritectic transformation in Fig. 11.18.

4

The formula for inductive reactance is _____.

5

Which of the following must be considered when determining the size of the conductor required to connect an electrical load to the source of supply?

6

The synchronous speed of an induction motor is determined by the number of stator poles and the _____.

7

What layout tool can be used to mark a straight line by dragging it along the straight edge of plate while holding a piece of soapstone against the end of the tool?

8

A(n) _________ is an electrical catastrophe where two main legs of a system short out and draw enough amperage to create an electrical explosion complete with pressure waves, shrapnel, vaporized metal, and enough heat to instantly cause second- and third-degree burns.

9

The main purpose of an assembly drawing is to show how the parts are _____

10

¿Cuál es el problema más común que se debe resolver antes de instalar las tuberías y los sistemas de conductos?

11

What will happen if the service port cap is removed from a discharge service valve that is in the midseated position?

12

How many Btus are required to change one pound of ice at 20°F to steam at 220°F?

13

Describe programing in a Level 2 language.

14

Al llenar un tanque de depésito hidráulico, asegúrese de que el tanque esté despresurizado para evitar:

15

If the purge unit on a chiller is operating very frequently, the system may have a leak.

16

La cinta aislante más adecuada para ser utilizada como recubrimiento de protección en cables de alto voltaje es:

17

A walk-in at a 35° box temperature may require what type of additional defrost?

18

Some important points that should be considered when planning and preparing for a safety meeting include each of the following except _____.

19

Technician A says that AC traction motors can provide minimum torque at stall rpms. Technician B says that AC traction motors generally require much more maintenance than equivalent DC drive motors. Who is correct?