Organisation : Bharat Sevak Samaj
Exam : BSS Diploma In Air Conditioning & Refrigeration
Document Type : Sample Paper
Subject : Air Conditioning & Refrigeration
Website : http://www.bssve.in/Exam-2015-Nov.asp
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BSS Diploma In Air Conditioning & Refrigeration Question Paper
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** National Development Agency, Promoted By Government Of India
** Central Board Of Examinations
** Bss National Vocational Education Mission
** Ahe027-Bss Diploma In Echo Cardiography & Cardiac Technology
Instructions
** 33 questions are there in total
** Write answers to each question in proportion to the mark allotted
** During the first 15 minutes read the questions carefully
Subject Code : EEE011-01
Communicative English & Computer Fundamentals
TIME: 3 Hours
Marks: 100
Instructions
** 33 questions are there in total
** Write answers to each question in proportion to the mark allotted
** During the first 15 minutes read the questions carefully
I. Fill In The Blanks : 1 x 10 = 10
1) He ……..well in the stage.
2) The tiger …… A deer
3) Suresh is sitting ……. Ram and Gopal.
4) I would like to have ….. fruits.
5) —————–is example for network operating system.(windows nt)
6) Ctrl+X is used to ……………
7) Redo option is in ……………. menu
8) The expansion of WAN is————–
9) Who is the father of computer—————–
10) The letters in computer application is called ……………
II. Define The Following : 2 x 10 = 20
1) What is meant by transitive verb?
2) What are the types of Gender?
3) Define software?
4) What is input and output unit
5) Explain windows explorer
6) Enter
7) MS Access
8) Clause
9) Insert column and insert chart
10) Explain any five functions in MS Excel
III. Write Brief Answer For Any 5 Questions : 5 x 5 = 25
1) Explain few sentences using “do/does”?
2) Explain few sentences using “should would”?
3) Key board
4) Font
5) Custom filter
6) Calculator
7) Print view
8) Symbols and pictures
IV. Write Long Answer For Any 3 Questions : 15 x 3 = 45
1) Write what in complex sentence
2) Esplain details of Accessories in windows?
3) Explain ‘slide presentation creating’ in MS Power Point
4) Describe status bar
5) Write briefly about generations of computer?
Subject Code : EEE011-02
Basic Electronics
TIME: 3 Hours
Marks: 100
Instructions
** 33 questions are there in total
** Write answers to each question in proportion to the mark allotted
** During the first 15 minutes read the questions carefully
I. Fill In The Blanks : 1 x 10 = 10
1) Alpha of a transistor is always…….
2) The process of making DC from AC is known as …….
3) Which one of the following conductors is used in bulbs?
4) The nominal voltage of a fully charged lead acid cell is ?
5) Select the equivalent value of power, 1 HP.
6) In the two meter method if the power factor is unity then …………..
7) What is the working temperature of a electricians solder? ……………………..
8) Identify and select the soldering method suitable for larger sized jobs like underground cable joining ……………….
9) Select the resistance value across both ends of a conductor with a cut…………………..
10) The flow of Electrons is called ………
II. Define The Following : 2 x 10 = 20
1) What is meant by open circuit? What are its effects?
2) What is electrical resistance?
3) What is a transistor?
4) What is the cut in voltage of Germanium diode?
5) Name the instrument used to test the zener diode?
6) What is phase current?
7) What is unbalanced load?
8) Write the skew coil winding?
9) What is line triggering?
10) What is the purpose of cadmium test in a battery?
III. Write Brief Answer For Any 5 Questions : 5 x 5 = 25
1) Explain some electronics equipments
2) What is a capacitor? Explain the colour coding of a Capacitor.
3) Explain the moving iron attraction type instruments?
4) Write the volt?
5) Write the Current?
6) Explain the Bare conductor?
7) Write the Silver?
8) Write the GI wire?
IV. Write Long Answer For Any 3 Questions : 15 x 3 = 45
1) Differentiate between the AC and DC
2) Difference between electromagnet and permanent magnet?
3) Write the series generator?
4) Write the equipment earthing?
5) Write the lagging power factor?
Subject Code : EEE011-03
Refrigeration Maintenance, Service & Trouble Shooting
TIME: 3 Hours
Marks: 100
Instructions :
** 33 questions are there in total
** Write answers to each question in proportion to the mark allotted
** During the first 15 minutes read the questions carefully
I. Fill In The Blanks : 1 x 10 = 10
1) …………. compressor has shaft seal
2) Father of Refrigeration ………
3) Unit of pressure ………..
4) In SI units, one ton of refrigeration is equal to :…………..
5) A natural-draft cooling tower can be installed ……………….
6) In evaporative type of condenser, the refrigerant is cooled by ……………….
7) In chilled-water air conditioning application, the following evaporator is used …………….
8) Which one of the following refrigerants has the lowest boiling point?
9) The metal tape or rope which packed the refrigerator can be removed by.
10) The point marked in the Fig. of A/c. cover installation as .
II. Define The Following : 2 x 10 = 20
1) Define the compressor
2) Define – Heat
3) Define-Flash point
4) Define Sensible heat
5) How can you detect leaks without the aid of any instrument?
6) Why it is necessary to provide space around the softy machine?
7) What type of bearing used in agitator?
8) Which component is located in between the evaporator and drier?
9) In which compartment the meat and fish to be preserved?
10) Where the earth wire is connected in the refrigerator body?
III. Write Brief Answer For Any 5 Questions : 5 x 5 = 25
1) What is distributor ? Draw the sectional view of distributor. Mention the parts
2) What are the differences between AC and DC current
3) Explain with Neat sketch about forced fin & tube condenser
4) Table the firing order for four stock engine
5) What about connecting rod. Draw the diagram and explain it
6) What is spark plug ? Explain and draw it
7) What is meant by pumping down in A/c?
8) How is a refrigeration system evacuated?
IV. Write Long Answer For Any 3 Questions : 15 x 3 = 45
1) Explain the type of refrigeration machines
2) Induced draft cooling tower – Explain and draw the diagram
3) Table the differences between four-stroke and two stroke engine
4) Explain with neat sketch about MRS (or) VCS
5) Testing of a high pressure control.
Subject Code : EEE011-04
Airconditioning Maintenance, Service & Trouble Shooting
TIME: 3 Hours
Marks: 100
Instructions
** 33 questions are there in total
** Write answers to each question in proportion to the mark allotted
** During the first 15 minutes read the questions carefully
I. Fill In The Blanks : 1 x 10 = 10
1) The year round air condition is ………… type
2) ________ is employed for cleaning air.
3) ………….. compressor used in refrigerator (single door)
4) Normal drinking water temperature is .
5) The softly ice cream to be filled in cones at the condition of .
6) The voltage rated used for softy machine is .
7) Churner barrel should be cleaned .
8) In the name plate of the unit you will find .
9) Gudgeon pin locked by .
10) Thermostat is used to control ……of refrigerant.
II. Define The Following : 2 x 10 = 20
1) What is meant by electrical air filter?
2) Define the term vapor lock
3) Define Surge tank.
4) Write briefly about viscous filter
5) Write the chemical name of R12, R22, R134 a
6) Which motor have separate three windings?
7) What is CSIR circuit?
8) How to identify suction service valve compare to discharge service valve?
9) What are the two working position of the cylinder in reciprocating compressor?
10) What do you mean by Humidity
III. Write Brief Answer For Any 5 Questions : 5 x 5 = 25
1) Draw the window aircondition picture
2) Advantages of diesel engine – write
3) Explain with neat sketch about flesh method lubrication
4) Write all types of compressor?
5) Write the piston pin and cylinder
6) Write the function of evaporator
7) Write the function of pin type evaporator
8) Explain the electronic leak tester.
IV. Write Long Answer For Any 3 Questions : 15 x 3 = 45
1) Explain with neat sketch of static cold storage indirect system
2) Explain with neat sketch of Remote type package AC
3) Compare the petrol engine with diesel engine
4) Explain the working principle of milk plant with neat sketch.
5) Draw and explain the central plant (indirect) A/C