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CALOR 1. Take a look at the following picture!
When three pipes are inserted into a closed glass box as shown. Paper roll smoke is placed at the end of pipe B and enters through the pipe, then the pipe will exit again through
pipe A and pipe C as shown in the figure. This event occurs due to the transfer of heat by....
A. convection B. conduction C. induction D. Radiation
2. Based on the graph, the amount of heat required by 5 kg of water in the process from CC toto D D (the specific heat of water =
4.200 J/kgo C) is ...
3. Take a look at the chart at side!
The amount of heat required to convert 200 grams of ice in process AA to C, if the specific heat of ice is 2,100 J/kgo C and the melting heat of ice is 336,000 J/kg is....
A. 4,200 joules B. 67,200 joules C. 71,400 joules D. 75,600 joules
4. Take a look at graph results of the following
experiment!
When 2 kg of water is heated, and the heat of water vapor = 2.27× 106 J/kg, the specific heat of w a t e r v a p o r i s
2 . 2 7 × 1 0 J/kg.
water = 4,200 J/kg °C and air pressure 1 atmosphere, then the amount of heat
required for the process from B to C is....
A. 3,360 kilojoules B. 4,540 kilojoules
A. 210.000 J C. 4,876 kilojoules
B. 420.000 J D. 5,212 kilojoules
C. 21.000.000 J
D. 42.000.000 J 5. Aluminum mass 2 kg with a
temperature of 20°C receives heat of 180 kilo joules. If the specific heat of aluminum = 900 J/kg°C, then the
temperature is
aluminum finish is....
A. 70°C B. 80°C C. 100°C D. 120°C
6. The following image shows the measurement of the temperature of a liquid with a thermometer Celsius thermometer.
If the temperature of the liquid is measured with a Fahrenheit thermometer, then the temperature of the liquid is....
A. 40°
B. 58°
C. 104°
D. 122°
7. Consider the following graph of heating 500 grams of ice at - 10°C!
If the specific heat of ice is 2,100 J/kg°C, the specific heat of water is 4,200 J/kg°C, and the melting heat of ice is 336,000 J/kg. What is the heat required in the process B - C - D?
A. 31.500 J B. 63.000 J C. 168.000 J D. 231.000 J
8. Take a look at the following temperature measurements!
The Y value on a Fahrenheit thermometer is....
A. 54°F BC. 67665°F D. 86°F
9. Take a look at graph below!
Ice whose mass is 50 grams is heated from 5°C to 60°C water. If the melting heat of ice =
80 cal/gram, the specific heat of ice = 0.5 cal/gram°C, the specific heat of water = 1 cal/gram°C, then the amount of heat required during the process from C to D is... ....
A. 125 calories B. 3,000 calories C. 4,000 calories D. 7,125 calories
10. Take a look at the following pictures of Fahrenheit and Celsius thermometers!
The value of X is ....
A. 63°C B. 50°C C. 35°C D. 27°C
11. Dad wants to make a cup of coffee. For that father heats 250 grams of water with a temperature of
20oC to boiling.
If the specific heat of water is 4200 J/kgo C, then the amount of heat required to boil water is....
A. 20.000 J B. 84.000 J C. 200.000 J D. 84.000.000 J
12. Consider the following graph of the heating of 1 kg of ice
If the specific heat of ice is 2,100 J/kg°C, the melting heat of ice is 336,000 J/kg and the specific heat of water is 4,200 J/kg°C, then the heat required in the process from P- Q-R is ....
A. 10.500 J B. 21.000 J C. 336.000 J D. 346.500 J
13. Take a look at chart below:
Water with a mass of 500 grams decreases in temperature from D to C.
If the specific heat of water is 4200 J/kg°C, determine the amount of heat released by the water, expressed in kilojoules!
14. Water at 20°C with a mass of 200 grams is mixed with water at 90°C with a mass of 300 grams. Determine the final temperature of the mixture!
15. A piece of metal with a specific heat of 0.2 cal/gr°C with a mass of 100 grams at a temperature of 30°C is placed in a vessel filled with water at a temperature of 90°C with a mass of 200 grams. If the s p e c i f i c h e a t of water is 1 cal/gr°C and the influence of the vessel is ignored, determine the final temperature of the metal!
He re!
OWNERSHIP 1. Glass cups can break if filled with hot
water suddenly. This is caused by...
A. The outside has expanded, the inside has not yet expanded
Bba.gBiaangilaunardbalealmumsumdeamh umaeimuai,
C. The expansion number of glass is very small, so it breaks quickly
D. The expansion number of glass is very large, so it breaks quickly
2. In an experiment, two bimetals I and II are composed of three types of metals
1, 2, 3.
When heated, the two bimetals bend in the direction shown in the picture.
Based on this data, four students gave the following opinions:
The correct opinion was expressed by the student ....
A. A and B B. A and D C. B and C D. C and D
3. Take a look at the following picture of long-distance electricity transmission!
Installation of electrical wiring during the day is made loose so that....
A. in cold weather, the cable does not break
B. in hot conditions the power cord may break
C. does not shrink, when electrified D. during the day the power cord expands quickly
4. In the morning my father made coffee.
He poured boiling water into a glass filled with coffee. Suddenly the glass broke as in the picture beside.
This is due to....
A. specific heat of the inner glass and the outside becomes unbalanced B. heat absorption by the inner glass wall is greater than the outer one C. the inner glass wall has expanded while the outer glass wall has not.
D. Hot water pressure and air
pressure on the inner and outer walls become unbalanced.
5. Take a look at the picture!
A metal bottle cap that is too tight can be opened easily when splashed with hot water. This can happen because the expansion coefficient of the bottle cap...
A. is greater than the coefficient of expansion of the bottle mouth B. is smaller than the coefficient of expansion of the bottle mouth C. is greater than the coefficient of expansion of the air in the bottle D. is smaller than the coefficient of expansion of the air in the bottle
6. Consider the following statements related to the expansion or utilization of expansion in objects!
(1) Installation of electrical wires is done during the day by installing the wire as tightly as possible
(2) Railroad ties are gapped at certain distances between iron rail joints
(3) To prevent the glass from breaking, hot water
is slowly added to the
(4) The installation of two iron wheels that are almost the same size is done by heating the wheels that will be placed on the inside.
5) The bimetal will bend toward the metal with the larger coefficient when cooled.
The correct statement is...
A. 1, 3 and 4 B. 1, 4 and 5 C. 2, 3 and 5 D. 3, 4 and 5
7. Take a look at the following picture! A bimetal composed of metal P and metal Q is heated.
The conclusion that can be drawn is....
A. The expansion coefficient P is equal to Q B. The expansion coefficient of P is greater
than Q
C. The expansion coefficient of P is smaller than Q
D. The expansion coefficient P can be larger or smaller than Q
8. If a bimetal chip is cooled then what happens is....
A. Counterclockwise curved B. Curving towards metals with larger expansion coefficients C. Curving towards metals with smaller expansion coefficients D. Increase in length in a straight direction.
9. The expansion of liquid is greater than solid. This can be shown in the event ...
A. A pot full of water turned out to be partially spilled while it was being boiling.
B. a glass full of water, a wall the outside of the glass will be wet.
C. A glass full of ice and water, it turns out that when the ice melts completely, nothing is spilled.
D. evaporation of seawater caused by solar heating.
10. Look at the picture of the
arrangement of two glasses that are stuck and cannot be opened!
For easy removal, the way to do it is....
A. Glass P filled with hot water B. Q cup soaked in hot water C. Both glasses are equally heated D. Both glasses are equally
cooled
11. The glass cup is in a vessel, then the vessel is filled with
hot water quickly. The glass then shattered. This event was caused by....
A. The outside of the glass has expanded, the inside of the glass has not yet expanded
B. The inside of the glass has
expanded, the outside of the glass has not yet expanded
C. The expansion number of glass is very small, so it breaks quickly
D. The expansion number of glass is very large, so it breaks quickly
