Skills and Trades

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The melting point of solid materials: A) Is 212F. B) Is 100C. C) Is the change of state of a ... Started by Jramos095	1 Replies 56 Views	Jul 24, 2018 by princessflame2016
The evaporation process occurs when: A) A liquid has reached critical mass. B) A liquid is below ... Started by CharlieWard	1 Replies 72 Views	Jul 24, 2018 by carolinefletcherr
Density is defined as: A) The weight at standard conditions. B) The volume at standard ... Started by londonang	1 Replies 41 Views	Jul 24, 2018 by s.meritte
How does pressure affect boiling point? A) Lower pressure decreases the boiling point of a ... Started by torybrooks	3 Replies 109 Views	Jul 24, 2018 by janeli
Freezer burn occurs when water slowly exits perishable foods during the freezing process. This ... Started by sdfghj	1 Replies 42 Views	Jul 24, 2018 by CAPTAINAMERICA
If a gas with a specific gravity of 1.3 is released in a room, will it be more likely to be found ... Started by cool	1 Replies 15 Views	Jul 24, 2018 by zogaridan
If something has a high density: A) Its specific volume is likely to be low. B) Its specific ... Started by cnetterville	1 Replies 29 Views	Jul 24, 2018 by alexisweber49
A correct statement concerning inertia is: A) Synonymous with kinetic energy. B) All objects are ... Started by darbym82	3 Replies 48 Views	Jul 24, 2018 by kingfahad97
The amount of space occupied by matter defines: A) Weight. B) Mass. C) The properties of matter. ... Started by audie	1 Replies 67 Views	Jul 24, 2018 by okolip
A person riding in a car flies forward when the car comes to a sudden stop. What concept does this ... Started by nevelica	1 Replies 30 Views	Jul 24, 2018 by quynhmickitran
How do industry organizations make it easier to compare testing results and rating for HVACR ... Started by jman1234	1 Replies 61 Views	Jul 24, 2018 by pami445
The ________ set of standard conditions are used to reference pressure and temperature when ... Started by meagbuch	3 Replies 47 Views	Jul 24, 2018 by Heffejeff
The triple point of a substance is: A) That point when the substance changes its specific gravity ... Started by lindiwe	1 Replies 27 Views	Jul 24, 2018 by joanwhite
The calculations for density and specific gravity for Systems International (SI) are: A) ... Started by Mr.Thesaxman	1 Replies 22 Views	Jul 24, 2018 by princessflame2016
If an HVACR technician determines the ratio of the density of a material to the density of a common ... Started by Cooldude101	1 Replies 30 Views	Jul 24, 2018 by mohan
The indoor dry bulb temperature for AHRI rating condition A is: A) 65F. B) 80F. C) 75F. D) ... Started by genevieve1028	3 Replies 17 Views	Jul 24, 2018 by SAUXC
The point at which water or another substance may exist simultaneously as a solid, liquid, and gas ... Started by Pineappleeh	1 Replies 42 Views	Jul 24, 2018 by mceravolo
When a liquid-vapor mix is heated in a closed space, eventually the density of the liquid decreases ... Started by bobthebuilder	1 Replies 60 Views	Jul 24, 2018 by xiazhe
Potential energy is: A) Energy in motion. B) Stored energy. C) Purely theoretical. D) An ... Started by Awilson837	1 Replies 79 Views	Jul 24, 2018 by Expo
A technician pushes a 50-lb box 4 feet in 2 seconds. The rate of work is: A) 50 lb. B) 50 lb 4 ... Started by pragya sharda	3 Replies 19 Views	Jul 24, 2018 by katheyjon
If someone works with electricity, which of the following measurements may be used? A) ... Started by strangeaffliction	1 Replies 12 Views	Jul 24, 2018 by fauacakatahaias
Batteries are a good example of: A) Conversion of electrical energy into heat energy. B) ... Started by darbym82	1 Replies 36 Views	Jul 24, 2018 by onowka
In the United States, the cooling capacity of air-conditioning equipment is expressed in: A) ... Started by fagboi	1 Replies 27 Views	Jul 24, 2018 by deja
Energy sources that cannot be replenished are called: A) Refillable energy sources. B) ... Started by Jipu 123	3 Replies 61 Views	Jul 24, 2018 by dlook33
Torque is measured in: A) Watts. B) Horsepower. C) Foot-pounds. D) ... Started by haleyc112	1 Replies 46 Views	Jul 24, 2018 by kingdude89