Pica Practice Test 134: Latest Questions with Answers Graded A+, Exams of Chemistry

Download Pica Practice Test 134: Latest Questions with Answers Graded A+ and more Exams Chemistry in PDF only on Docsity! Pica Practice Test 134 Latest Questions with Answers Graded A+ A rose is - Correct answer A flower General science - Correct answer Which of these reduce friction? A. Car breaks B. Tire thread C. Ball bearings D. Sandpaper - Correct answer Ball bearings If you place bean seed between moist paper towels and watch the stem and leaves appear, you will see a demonstration of A. Transpiration B. Germination C. Fertilization D. Pollination - Correct answer Germination Any astronomical body that revolves around a large body is called - Correct answer a satellite In chemistry, to be classified as an organic substance, a substance must contain - Correct answer Carbon atoms Which element does not contain any neutrons - Correct answer Hydrogen? P a g e 1 | 18 What is the symbol for the hydroxyl ion - Correct answer OH-? Perpetual motion machine can never be built because it is not possible to eliminate - Correct answer elasticity The chemical formula of a compound describes the elements the compound contains and the - Correct answer the ratio of elements in a compound When scientist measure liquids resistance to flow, they are measuring the liquids - Correct answer viscosity The tympanic membranes are also known as the - Correct answer Ear drums When sodium atoms form sodium ions they: - Correct answer loses electrons Chocking is prevented by then - Correct answer Esophagus covering the voice box Which of the following actions produce a chemical change? A. Boiling water B. Burning the rice C. Adding salt to the water D. Melting butter on cooked rice - Correct answer burning the rice Which of the following is a nonrenewable resource A. Wood P a g e 2 | 18 A pie was cut into two equal pieces. Each of the pieces of pie was cut into halves again, and each of those smaller pieces was cut into two equal pieces. If two of the pieces of the pie were eaten what portion of the pie remains? - Correct answer - 8 pieces of the pie in total (2+2+4) - 2 pieces were eaten - 6 pieces are left - 6/8 = 3/4 An electronics store had A 20% off sale. If a stereo originally cost $125, how much did the stereo cost during the sale? - Correct answer 100 A gas can is filled at the rate of 320 cubic inches per minute. The can is 10 inches long, 8 inches wide, and 12 inches high. How many minutes will it take to fill the can? - Correct answer 5 A homeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long. If a strip of wallpaper is 20 INCHES wide and strips are hung vertically, how many strips of wallpaper will the homeowner require? - Correct answer 2-1/2 Word knowledge - Correct answer *Emphasize* most nearly means - Correct answer to accentuate P a g e 5 | 18 We will long remember our *perilous*journey - Correct answer Hazardous *Inept*most nearly means? - Correct answer Silly *Oppressive*most nearly means? - Correct answer Painful *Prestige* most nearly means - Correct answer status *Complexity* most nearly means - Correct answer intricacy *Void* most nearly means - Correct answer empty *Fervently* most nearly mean - Correct answer passionately *Devout* most nearly means - Correct answer pious *Erratically* most nearly means - Correct answer irregularly *Sustain* most nearly means - Correct answer Tolerate They *consoled*each other after the accident. - Correct answer Solaced The cashier "negated" the charge on the item. - Correct answer nullified *Skepticism* most nearly mean - Correct answer Cynicism The officers *conceit*was very obvious - Correct answer Vanity P a g e 6 | 18 Paragraph comprehension - Correct answer The Women's Flying Training Detachment was the brainchild of Jacqueline Cochran, the famous flyer. Because of the overwhelming demand for qualified men to fly in combat during World War II, she was able to persuade the Army to train women pilots to ferry military aircraft from manufacturers to embarkation points for later shipment overseas. The author implies that the primary motivation for establishing a training program for women pilots during World War II was the - Correct answer unavailability of qualified male pilots. Riding the mail plane is a low-budget way to visit America's largest national park -- Wrangell-St. Elias --13 million acres of scenic beauty. Copper first drew prospectors to this part of Alaska. From 1911 to 1938, the Kennecott mine produced 200 million tons of it. Now a mecca for tourists, the town of Kennecott was abandoned to the ghosts when the copper ran out. According to the passage, which of the following illustrates the correct sequence of events? - Correct answer copper drew prospectors, tourist attraction; copper ran out, town abandoned When we think of security for the home, most of us think of devices that will physically hinder another person. Researchers have found that some simple, every day, fairly inexpensive object can be as effective as much more expensive security systems. P a g e 7 | 18 Which of the following best describes the order of events? - Correct answer ******* Julius Erving is one of only few professional basketball players to score 30,000 points. When Erving was in Hugh school he was given the appropriate nickname, "the doctor" because he "operated" so well on the basketball court. Later Erving’s pro basketball teammates changed the nickname to Rd. Assuming their job as well as Rd., all of the following persons are appropriately nicknamed except. - Correct answer the trapeze artist nicknamed “butterfingers" Mathematical knowledge - Correct answer if x+3y=7 and y=2, then x equals? - Correct answer 1 (x +3(2) = 7 and 1+6=7) What are the functions of x2+ 4x+3? - Correct answer (X+3) (x+1) What is the area of a parallelogram if its length is x+4 and its height is x+3? - Correct answer X^2+7x+12 Simplify 3/5x+x - Correct answer 8/5x The hypotenuse of a right triangle has a length of 14 units and a side that is 9 units long. Which equation can be used to find the length of the remaining side? - Correct answer x^2 = 14^2 - 9 The product of 3! Is? - Correct answer 6 P a g e 10 | 18 The factors of 2x ^2 +xy-3y^2 are - Correct answer (2x+3y) (x-y) What is the product of the reciprocals of 2/3, and 1/8, and 5? - Correct answer 5/12 What is the product of (a - 1) and (2a + 2) - Correct answer 2(a^2 - 1) The reciprocal of 3-1/5 is? - Correct answer 5/16 What Is 8b - ab + 7 subtracted from 3a - 9ab + b? - Correct answer -4a - 8ab -7b Graphs of the following equations are straight lines EXCEPT A 3x + 2y = 8 B y = x / 2 - 5 C x = 4y D y = x ^ 2 + 3 - Correct answer y=X^2+3 What is the area of a triangle with a base of 8 feet and a height of 4 feet? - Correct answer 16 square feet In the formula, if then C = 35 F =? - Correct answer 95 C = 5/9(F - 32) C = 35 35 = 5/9(F-32) P a g e 11 | 18 35 * 9/5 = (F-32) (F-32) = 63 F = 63 + 32 = 95 The Reciprocal of 7 is - Correct answer 1/7 Electronics information - Correct answer In making permanent electronic connections use - Correct answer soldering iron When current flow is interrupted by a blown fuse, the circuit becomes? - Correct answer open A standard multimeter does NOT measure? - Correct answer frequency Silicon chips are used primarily in - Correct answer integrated circuits What kind of energy is converted to electrical energy by a car battery? - Correct answer Chemical Which of the following can NOT be used to store an electrical charge? - Correct answer fuse P a g e 12 | 18 A starting B charging Cognition D fuel - Correct answer fuel Which of the following factors does NOT influence gas mileage - Correct answer Power train warranty? A fan belt is part of which system of automobile? - Correct answer emission control A car with a manual clutch will always have - Correct answer standard transmission An anti - lock braking system (ABS) is designed to prevent - Correct answer B An automobile fuel filter is primarily used to clean - Correct answer gasoline or diesel fuel Shop Information - Correct answer Which of the following uses a penny system to specify its size? - Correct answer finishing nail Taps and dies are tools to - Correct answer Cut threads for nuts and bolts Which adhesive is usually supplied in two parts which must be mixed prior to use? - Correct answer silicone rubber P a g e 15 | 18 Mechanical or hydraulic devices that regulate speed of a machine are called? - Correct answer governors Which of the following is used to cut different shaped edges on a wooden cabinet door? - Correct answer Saw Which of these is a natural wood defect rather than a result of improper storage or conditioning? - Correct answer knot An Anvil is typically used to.... - Correct answer Shape hot metal To make a hole in an exterior wall for placing a window, carpenters usually use a - Correct answer Reciprocating saw The spiral groove around the shaft of a screw is called the... - Correct answer Thread To secure a wooden object to a concrete wall, which of the following types of fasteners is recommended? - Correct answer Masonry nail Mechanical comprehension - Correct answer When the belt moves I. The direction shown, which pulleys turn clockwise? - Correct answer All of them Gear A is the driving gear. If all the teeth are sheared off of gear which gear(s) will turn? - Correct answer Gear A P a g e 16 | 18 A series of four gears (W, X, Y, Z) is driven by pulley V and a belt- if V turns in the direction shown, which gears will rotate clockwise? - Correct answer y, w A box sits on a smooth table. Three strings are attached to the box, each having a weight of 10 lbs. attached to the other end. The box will move in direction? - Correct answer D Four weights are tied together and hung from the ceiling. What will be the tension in the card at the point labeled? - Correct answer 60 pounds A spring will compress one inch for every 50 pounds of force that is applied to it.How much force is needed to compress the same spring 10 inches? - Correct answer 500 lbs. When these objects are placed on soft sand, which one will sink the deepest into the sand? - Correct answer A This illustration shows an example of - Correct answer an inclined plane A belt passes over a drum and its ends are connected to springs, if the drum rotates in the direction shown and there is friction between the drum and the belt, then? - Correct answer A. spring 1 will get shorter and spring 2 longer. A spring is compressed against a wall by a wooden block that has a force applied to it.If the force is removed from the block - Correct answer A. The spring will move to the left P a g e 17 | 18