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picasso_v · Yahoo User

1. During the percolating cycle of a coffee maker, the heating element should keep the water at a minimum temperature of A. 220 C (720 F). B. 380 C (1000 F). C. 1000 C (2120 F). D. 2300 C (4500 F).2. The small gear that is driven by the motor shaft of a rotisserie is called a A. ring gear. B. sleeve gear. C. planetary gear. D. pinion gear.3. The percolating temperature of an automatic percolator is kept at the desired level by the A. ON/OFF switch. B. thermostat. C. automatic valve. D. low-heat element.4. When testing a plugged-in but partly disassembled toaster, you should push the rack down with a A. wooden stick. B. piece of wire. C. finger. D. narrow wrench.5. What may happen if the threaded heating element in a percolator is not very tightly mounted? A. The coffee may be too weak. B. The heating element may be open circuited. C. The heating element may be short circuited. D. A leak may develop.6. Wires used for electrical connections in a rotisserie should be insulated with A. mica. B. hard rubber. C. thermoplastic. D. fiberglass.7. If a cylindrical heating element has bare connecting wires, they should be protected by sleeves made of A. fiberglass. B. varnished cambric. C. mica. D. plastic.8. A recommended cleaner for the bowls of coffee brewers is A. a baking-soda solution. B. scouring powder. C. abrasive soap. D. a vinegar-water solution.9. Which one of the following tools should be used to remove the nut from a threaded heating element? A. Vice grips B. Nut driver C. Socket wrench D. Gas pliers10. A heating element for a cooking appliance is stretched too far during installation. What action can be performed? A. Dispose of the element and purchase a new one. B. Chill the element in a freezer to shrink it. C. Recoil the element over a rod. D. Cut the element to shorten it.11. The toasting cycle of an automatic toaster is started by A. turning on the built-in switch. B. pushing the bread rack down. C. setting the thermostat knob. D. pushing the start button.12. What is the most likely cause of a percolator's failure to pump water? A. The water is too hot. B. The basket is damaged. C. There is too much water in the percolator. D. There is coffee sediment in the well.13. The LIGHT/DARK control of an automatic toaster is placed at a particular setting. The toast at this setting will always be the same color because the toaster uses A. guard wires. B. a compensating thermostat. C. rack springs. D. a heavy metal shell.14. When plug prongs are connected to the metal case of an appliance, a part that should always be placed next to the case is a A. flat metal washer. B. hexagonal aluminum shoulder. C. steel nut. D. mica washer.15. Which one of the following faults causes the coffee in a brewer to keep boiling after the brewing cycle is finished? A. An open circuit in the heating element B. Welded contacts on the thermostat C. A leak around the gasket D. A short circuit at the terminals16. When you check a toaster with a digital or analog VOM, which one of the following indicates dirty contacts on the thermostat blade? A. Current higher than the rated current. B. Full deflection on the ohmmeter or a reading of zero ohms. C. Current lower than the rated current. D. No deflection on the ohmmeter or high resistance on the display.17. An appliance plug can be distinguished from other plugs by its A. female terminals, thermostat, and probe. B. three prongs. C. permanent attachment to an appliance. D. metal construction.18. A digital clock on a small cooking appliance keeps time by A. using an internal crystal oscillator at 60 Hz. B. locking on to the power line frequency. C. creating its own 60 Hz. squarewave. D. monitoring the frequency of a quartz-timed oscillator19. If a rotisserie motor hums but the spit does not turn when the rotisserie is started, the cause is most probably A. a lack of supply voltage. B. overheated elements. C. a defective motor. D. jammed gears.20. Why can some electric appliances be immersed in water without damage? A. They use a ribbon heating element on a mica sheet. B. The heavy aluminum shell protects the thermostat. C. The thermostat and the timer are in a sealed compartment below the pan. D. The heating element is sealed and the control is in the detachable probe.21. The purpose of the probe on an appliance plug with a thermostat is to A. connect the plug electrically to the heating elements. B. give mechanical support to the plug. C. transfer heat from the pan to the thermostat blade. D. connect the thermostat with the timer.22. The time required for epoxy-resin cement to set is about A. 1 hr. B. 2 hrs. C. 3 hrs. D. 4 hrs.23. The housing at the side of a rotisserie contains A. one heating element, the spit handle, and two skewers. B. the motor, the gears, the timer, and the thermostat. C. the racks, the timer springs, and the pilot lamp. D. two heating elements and the switch.24. The two outputs of a digital controller for an automatic drip coffee maker are for the time A. and water temperature displays. B. and date displays. C. display and relay output. D. display and pilot light.25. A hammer should not be applied to the gear shafts of an electric rotisserie because the shafts may be made of A. brass. B. aluminum. C. steel. D. copper.