8 PIN RELAY SCHEMATIC

sophomore homewrok assignment 1

print out sheets.  answer questions. assignment due tomorrow.

Name ___________________________________                Date __________________

Math Problems Module 00102-04

1.          A parking lot contains 96 light fixtures.  If only 8 fixtures can be wired to a lighting circuit, how many circuits will be needed to feed the parking lot?

2.          A stock trailer contains 395 boxes of ½” EMT connectors.  Crew #1 used 170 boxes; Crew # 2 used 98 boxes, Crew # 3 used 58 boxes, and Crew # 4 used 60 boxes.  How many boxes are left?

3.          Your foreman has given you the task of switching and plugging. ( installing receptacles and switches )  You have 26 rooms and each room contains 6 outlets and two 3-way switches.  In order to avoid wasting time walking back and forth to the trailer, how many switches and outlets should you pick up first thing in the morning?

4.          A hospital has 580 patient care rooms each needing 2 emergency circuit receptacles.  How many emergency circuit receptacles should be ordered?

5.          A conduit crew is running four 2 inch EMT runs.  The pipes will be installed between two junction boxes 190 feet apart.  2”EMT comes in ten foot lengths. How many couplings will this crew need to install the pipes?

6.          There are sixteen 2” rigid metal conduits that are to enter the back of a NEMA 1 junction box.  Each EMT will require two 2” locknuts and one 2” bushing. What is the total number of locknuts and bushings required?

7.          Your foreman has told you to cut cable for a wire pull.  There are four #500MCM cables to be pulled through a 4” EMT that is 188 feet long.  The foreman has also told you to add an additional ten feet onto your measurement at end of the run. How long should each length of #500MCM be?  What is the total length of #500MCM cable required in feet?

8.          An office building contains 6,240 lighting fixtures.  Every four fixtures is supplied by a 4” square box. How many 4” square boxes are needed?

Band saw/abasive saw rubric and measurements

BAND SAW/ABRASIVE SAW

OBJECTIVE	TASK	RATING
2  Use power tools safely	1.  Safely and properly operate a portable electric band saw.
	Equipment, work area, and proper PPE.
	. Correct blade chosen
	Tool handled properly.
	. Work is securely clamped.
	. Work edges smoothed/tool returned.

STUDENT	BAND SAW	ABRASIVE SAW
3”
4”
5”
6”
3 ½”
7”
8”
9”
10”
3”
4 ¼”
5”
6”
½”
3 ½”
5”
4”
6”
8”
7”
4 ½”
5 ½”

Pipe bending measurements

please take note of the measurements that were assigned to you.  box offset and offset bends are due this week, as is project 18.  use your time wisely !

NAME	BOX	OFFSET	3-BEND	4-BEND
		2”	4”	5”
		3”	3”	4”
		4”	4”	3”
		2 ½”	3 ½”	4 ½”
		3 ½”	4 ½”	3 ½”
		4 ½”	2 ½”	2”
		1 ½”	2”	1 ½”
		5”	1 ½”	2 ½”
		1”	5”	4”
		2 ½”	3 ½”	2”
		3”	4 ½”	5 ½”
		4”	2 ½”	3”
		2”	3”	4”
		5”	4”	3 ½”
		3 ½”	2”	5”
		3”	1 ½”	2”
		4”	3 ½”	3 ½”
		2”	2 ½”	4”
		3 1/2”	2”	2 ½”
		1 ¾”	3 ¼”	2 ¾”
		3”	3”	2 ½”
		4”	4”	3 ½”

RUBRICS:

                     KICK:              25 points each for tools/safety, measurement, level, reamed.

                     BOX:               20 points each for tools/safety, fit, kinks, dog legs, reamed.

                     3, 4, OFFS:      20 points each for tools/safety, fit, kinks, dog legs, reamed.

                    

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