Unit 2 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
| Question | Answer |
| If the contacts on a manual starter cannot be closed immediately after a motor overload had tripped them open, what is the probable reason? | You must allow the overload heaters to cool down for about a couple of minutes before you can turn the motor back on or be reseted again. |
| If the handle of an installed motor starter is in the center position, what condition does this indicate? | Tripped |
| How may an automatic operation be achieved when a manual motor starter is used? | You may use a Pilot Device (flow switch, pressure switch, limit switch, float switch, thermo switch) |
| HINT: What does the term trip-free mean as it relates to manual starters? | It is impossible to hold the contacts closed against an overload. |
| If the overload heater element is not installed in a two-pole manual starter, what is the result? | The motor will not start |
| A fractional horsepower manual motor starter a. starts and stops motor under 1 HP b. has a toggle-switch type of handle and size c. cannot offer low-voltage protection d. does all of these | d. does all of these |
| An automatic operation can be achieved with a. an integral horsepower manual starter with LVP coil b. a push-button-type manual starter c. an FHP manual starter wired in conjunction with a pressure switch d. a fractional HP manual starter | c. an FHP manual starter wired in conjunction with a pressure switch |
| Low-voltage (or undervoltage) protection (LVP) is available on some a. integral HP starters b. FHP manual starters c. two-pole toggle switches d. all of the above | a. integral HP starters |
| Low-voltage protection is used mainly for a. fans b. air compressors c. pumps d. protection of the operator | d. protection of the operator |
| Thermal overload protection a. aids motor warm-up b. prevents motors from freezing c. protects motors and conductors from mechanical damage d. provides overcurrent protection for motors | d. provides overcurrent protection for motors |
Created by:
aganotisi