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## KEAM Previous Question Papers

Those candidates, who are going to appear for KEAM (Kerala Engineering Agricultural Medical) Entrance Examination and practicing hard to crack the exam, must collect KEAM Previous Question Papers from this page. Interested aspirants, who wish to get success in concerned exam must collect all study material and start with their preparations.

### KEAM Previous Year Question Papers

Q. No.1) The temperature point at which the change starts on heating the steel is called

1. lower critical point
2. upper critical point
3. point of recalescence
4. point of decalescence

Q. No.2) 18/8 stainless steel consists of

1. 18% nickel and 8% chromium
2. 18% chromium and 8% nickel
3. 18% nickel and 18% chromium
4. 8% nickel and 8% chromium

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Q. No.3) The limestone in the charge of a blast furnace decomposes to give lime and carbon dioxide. The lime thus obtained

1. controls the grade of pig iron
2. acts as an iron-bearing mineral
3. supplies heat to reduce ore and melt the iron
4. forms a slag by combining with impurities

Q. No.4) Select the wrong statement

• An equivalent pipe is treated as an ordinary pipe for all calculations
• The length of an equivalent pipe is equal to that of a compound pipe
• The discharge through an equivalent pipe is equal to that of a compound pipe
• The diameter of an equivalent pipe is equal to that of a compound pipe.

Q. No.5) The critical depth meter is used to measure

1. velocity of flow in an open channel
2. depth of flow in an open channel
3. hydraulic jump
4. depth of channel

Q. No.6) The quiescent collector current IC, and collector to emitter voltage VCE in a CE connection are the values when

1. ac signal is zero
2. ac signal is low
3. ac signal is negative
4. either (a) or (b)

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Q. No.7) The percentage slip in a reciprocating pump set is given by the % of (where, Q1 = actual discharge Q2 = theoretical discharge)

1. Q1/Q2
2. Q2/Q1
3. Q2-Q1/Q1
4. Q2-Q2/Q2

Q. No.8) In distillation columns, the number of bubble caps per tray primarily depends upon the

1. Allowable liquid velocity
2. Allowable gas velocity
3. Allowable gas and liquid velocities
4. Feed composition

Q. No.9) Brownian movement is prominent in the particle size range of __________ microns in case of settling of a particle in a fluid.

A.       2 to 3

B.       0.01 to 0.10

C.       200 to 300

D.       100 to 1000

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Q. No.10) How is the enzyme COX-1 important in human health?

1. It helps to transport carbon dioxide in the blood
2. It is critical for the biosynthesis of DNA
3. It is a chemical derivative of aspirin
4. It catalyzes the production of hormones that maintain the stomach lining

Q. No.11) Which of the protein is involved in Alzheimer’s disease?

1. A4
2. Amylin
3. Fibrin
4. Alzhemin

Q. No.12) Which of the following changes occur during first phase of growth of Penicillium chrysogenum?

1. Growth of mycelia occurs
2. Ammonia is liberated in the medium
3. Lactic acid present in the corn steep liquor is utilized at the maximum rate
4. All of the above

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Q. No.13) What is the major advantage of the R/2R ladder DAC as compared to a binary-weighted-input DAC?

1. It has fewer parts for the same number of inputs.
2. It is much easier to analyze its operation.
3. It uses only two different resistor values.
4. The virtual ground is eliminated and the circuit is therefore easier to understand and troubleshoot.

Q. No.14) What is the major advantage of the R/2R ladder DAC as compared to a binary-weighted-input DAC?

1. It has fewer parts for the same number of inputs.
2. It is much easier to analyze its operation.
3. It uses only two different resistor values.
4. The virtual ground is eliminated and the circuit is therefore easier to understand and troubleshoot.

Q. No.15) Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 – 1600°C ?

1. Optical pyrometer
3. Photoelectric pyrometer
4. Thermocouples

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Q. No.16) Composition of natural gas is determined by the

1. Haldane apparatus
2. mass spectrometer
3. chromatograph
4. both (b) and (c)

Q. No.17) In second order underdamped system,

1. decay ratio = overshoot
2. decay ratio = (overshoot)2
3. Overshoot increases for increasing damping co-efficient.
4. Large damping co-efficient means smaller damping

Q. No.18) In Bode plot, Φ vs ω is plotted on a/an __________ graph paper.

1. log-log
2. ordinary
3. semi-log
4. triangular

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Q.No.19) Which of the following does not figure in the list of seven substances selected for international temperature scale?

1. Ice (F.P) and steam (B.P)
2. Oxygen and sulphur (B.P)
3. Antimony and silver (F.P)
4. Zinc (B.P) and mercury (F.P)

Q.No.20) A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature?

1. helium
2. hydrogen
3. nitrogen
4. none of these

Q.No.21) What is the frequency range of the IEEE 802.11b standard?

1. 2.4Gbps
2. 5Gbps
3. 2.4GHz
4. 5GHz

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Q.No.22) You are connecting your access point and it is set to root. What does Extended Service Set ID mean?

1. That you have more than one access point and they are in the same SSID connected by a distribution system.
2. That you have more than one access point and they are in separate SSIDs connected by a distribution system.
3. That you have multiple access points, but they are placed physically in different buildings.
4. That you have multiple access points, but one is a repeater access point.

Q.No.23) Using the following illustration, what would be the IP address of E0 if you were using the eighth subnet? The network ID is 192.168.10.0/28 and you need to use the last available IP address in the range. The zero subnet should not be considered valid for this question.

A.       192.168.10.142

B.       192.168.10.66

C.       192.168.100.254

D.       192.168.10.143

E.       192.168.10.126

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Q.No.24) How many 4-letter words with or without meaning, can be formed out of the letters of the word, ‘LOGARITHMS’, if repetition of letters is not allowed?

1. 40
2. 400
3. 5040
4. 2520

Q.No.25) In how many different ways can the letters of the word ‘OPTICAL’ be arranged so that the vowels always come together?

1. 120
2. 720
3. 4320
4. 2160
5. None of these

Office of the Commissioner for Entrance Examinations is the commissionerate founded under the government of Kerela which conducts various entrance exams for UG / PG courses. Kerala Engineering Agricultural Medical Entrance Examinations is among the one and the major entrance test that is been conducted by this commissionerate. About 125000 students appear in this test every year. This exam is organized to provide admission to talented students in Professional Degree Courses in state of Kerala.

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Aspirants, preparing for concerned exam, are requested to go through complete page and keep visiting this portal for getting more updated info regarding relevant competitive exams.

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