Question

1. what should you do before putting a car up on the hoist? a. check the floor b. check with the instructor c. put the car in park d. place on axle stands 21. technician a says that timing marks are not necessary when a timing belt is used. technician b says that timing marks are unnecessary only with timing gears. who is right? a. a only b. b only c. both a and b d. neither a nor b 22. trouble codes set by an obd ii system can be read by: a. counting flashes of the check engine light b. counting deflections of the needle on an analog voltmeter c. using a scan tool or code reader d. reading a digital display in a climate control panel 23. the battery voltage in a car battery just sitting should be at least ______ a. 15.6 volts b. 12.6 volts c. 13.1 volts d. 110 volts 24. the explosive gas that gathers near the top of a battery is ____ a. nitrogen b. oxygen c. hydrogen d. peroxide 25. if you notice an un - safe condition or any type of hazard you should...... a. be careful around it b. inform the instructor c. mention it to your parents d. tape it up 26. each of the following is a basic part of the starting system, except: a. solenoid b. inverter c. ignition switch d. starting motor e. battery 27. which of the following terms describes a starter solenoid? a. rectified contactor b. high - current relay c. amplitude - modulated diode d. shunt - wound motor 28. to prevent an engine from cranking while the vehicle is in gear, a ____ is commonly used a. selector safety switch b. lockout actuator c. neutral safety switch d. shift interlock unit

Explanation:

Answer:

(20) c. Put the car in park
(21) d. Neither A nor B
(22) c. Using a scan tool or code reader
(23) b. 12.6 volts
(24) c. Hydrogen
(25) b. Inform the instructor
(26) b. Inverter
(27) b. High - current relay
(28) c. neutral safety switch