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This is the DIAGRAM of BACTERIOPHAGE

Aquatic animals also have adaptations to REGULATE temperature, since water transfers HEAT faster than air. SEA otters use a layer of air pockets combined with oily FUR to stay warm. Oxygen is transferred from water through organs called gills in fish, sharks, and rays.

1200 w TOASTER in 20 mins
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Because In UPPER SIDE of ATMOSPHERE There Is No Have AIR.

After planting TREE in a small place then we plant it in a LARGE place where the plant can grow well
it enables the farmer to SELECTIVELY cultivate only healthy PLANTS

Bacteria: PNEUMONIA, Tuberclosis, Leprosy etc
Fungi: Athletes foot, Yeast infections, Oral thrush
Protozoans: Malaria, DYSENTRY
VIRUSES: Chicken POX, Small pox, Aids, Common COLD.

Selective BREEDING is the process by which humans USE animal breeding and plant breeding to selectively develop particular PHENOTYPIC traits by choosing which typically animal or plant males and females will sexually reproduce and have offspring together
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As the altitude increases the atmospheric pressure decrease. And the AIR BECOMES thinner and there will be very less OXYGEN at high altitude. So due to which the blood vessels present inside our their NOSE bursts and STARTS bleeding. This is why mountaineers suffer from nose bleeding!

The spiny seed pods or FRUITS on the plant can be a pain.

ONE such example is wild cucumber that has the punctured VINE and seedpods.

Then another is Marah gilensis that grew every year form an UNDERGROUND tuber and perennial.

The last one is ANNATTO that grew in the winter areas.

Nonmetals have PROPERTIES opposite those of the METALS. The nonmetals are brittle, not malleable or ductile, poor conductors of both heat and ELECTRICITY, and TEND to gain electrons in chemicalreactions. Some nonmetals are liquids.

Salt, table salt or common salt is a MINERAL composed primarily of sodium chloride (NaCl), a chemical compound BELONGING to the larger class of salts; salt in its NATURAL FORM as a crystalline mineral is KNOWN as rock salt or halite.

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yaa it is easier to burst an inflated BALLOON with a NEEDLE as compared to fingers. Because needle have less area as compared to our fingers. As pressure is inversely PROPORTIONAL to area. Less area more the pressure will be. More the area less the pressure will be.
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There are 3 types of fuel
SOLID - coal
LIQUID - PATROL
GAS - HYDROGEN

Because FOSSIL FUELS are the NATURAL GASES

It DERIVES most of it

Because contact area is less between needle and BALLOON in COMPARE to finger
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It is the process in which sugar is used by YEAST to produce CO2 and ALCOHOL.... the alcohol so produced is used in the BEVERAGE industry to make WINE

The amount of energy REQUIRED to change 1KG of a SOLID into liquid it's MELTING point is called latent heat of FISSION

SALUT AMIS !!


Conductors ===>>They allow EASY flow of electric current and heat to PASS through them.Metals like copper,aluminium etc...are good conductors of electricity .
Uses ===>>They are widely used in making utensils as they allow heat to pass through them and that makes the food get cooked .

Insulators ===>>They dont ××× allow passage of electricity and heat through them .DIAMONDS , RUBBER ,glass etc...are some of the examples .
Uses ===>> Insulatos are used to make coverings of wires , electric switches and other objects to PROTECT or to resist heat ....


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Microorganisms help in CLEANING of ENVIRONMENT , to decomposed the MATERIAL into humus

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A neurons is a CELL that can transmit electrical and chemical SIGNALS. Neurons are considered to be the building blocks of the NERVOUS system and MAKE up the major nerve pathways that are RESPONSIBLE for communicating information throughout the body.

The COLOURS which we are EATABLE that colours
We USE in THESE SUBSTANCES

Previous Years GATE MCQ’s on Hydraulic Machines

June 4, 2015

By Amit Thakur

Solved GATE Questions on Hydraulic Machines

Question 1. Match the following

P. Curtis 1. Reaction steam turbine

Q. Rateau 2. Gas turbine

R. Kaplan 3. Velocity compounding

S. Francis 4. Pressure compounding

5. Impulse water turbine

6. Axial turbine

7. Mixed flow turbine

8. Centrifugal pump

(A) P-2, Q-1, R-7, S-6

(B) P-3, Q-1, R-5, S-7

(C) P-1, Q-3, R-1, S-5

(D) P-3, Q-4, R-7, S-6

GATE-ME-2003

Question 2. A centrifugal pump running at 500 rpm and its maximum efficiency is delivering a head of 30 m at flow rate of 60 litre PER minutes. If the rpm is changed to 1000, then the head H in metres and flow rate Qin litresper minute at maximum efficiency are estimated to be

(A) H=60, Q=120

(B) H=120, Q=120

(C) H= 60, Q=4800

(D) H= 120, Q=30

GATE-ME-2003

Question 3. Match the following

P-Reciprocating pump 1. Plant with power output below 100 kW

Q-Axial flow pump 2. Plant with power output between 100 kW to 1 MW

R-Microhydel plant 3. Positive displacement

S-Backward curved vanes 4. Draft tube

5. High flow rate, low pressure ratio

6. Centrifugal pump impeller

(A)v P-3, Q-5, R-6, S-2

(B) P-3, Q-5, R-2, S-6

(C) P-3, Q-5, R-1, S-6

(D) P-4, Q-5, R-1, S-6

GATE-ME-2004

Question 4. At hydroelectric power site, available head and flow rate are 24.5 m and 10.1 respectively. If the turbine to be installed is required to run at 4.0 revolution per second (rps) with an overall efficiency 90%, then suitable type of turbine for the site is

(A) Francis

(B) Kaplan

(C) Pelton

(D) Propeller

GATE-ME-2004

Question 5. A centrifugal pump is required to pump water to an OPEN water tank situated 4 km away from the location of the pump through a pipe diameter 0.2 m having Darcy friction factor of 0.01. The average speed of water in the pipe is 2 m/s. If it is to maintain a constant head of 5m in the tank, neglecting other minor losses, then absolute discharge pressure at the pump exit is

(A) 0.449 bar

(B) 5.503 bar

(C) 44.911 bar

(D) 55.203 bar

GATE-ME-2004

Question 6. A horizontal shaft centrifugal pump lifts water at 65. The suction nozzle is one meter below pump centerline. The pressure at this point is equal to 200 kPa gauge and velocityis 3 m/s. Steam tables show saturation pressure at 65 is 25 kPa, and specific volume of the saturated liquid is 0.0010 . The pump Net Positive Suction Head (NPSH) in meters is

(A) 24

(B) 26

(C) 28

(D) 30

GATE-ME-2006

Question 7. A large hydraulic turbine is to generate 300 kW at 1000 rpm under a head of 40 m. For initial testing , a 1:4 scale model of the turbine operates under a head of 10 m. The power generated by the model (in KW) will be

(A) 2.34

(B) 4.68

(C) 9.38

(D) 18.75

GATE-ME-2006

Question 8. In a pelton wherel, the bucket peripheral speed is 10 m/s, the water jet velocity is 25 m/s and volumetric flow rate of the jet is 0.1 . If the jet deflection angle is 120and the flow is ideal, the output DEVELOPED is

(A) 7.5 kW

(B) 15.0 kW

(C) 22.

It MEANS... INDIRECTLY..

Because LESS PRESSURE PRODUCE on your SHOULDER

Because they are very SHINY and PEOPLE LIKE them and their are so HIGH

the ANSWER is INCISORS

The reason we have different SHAPED teeth is because different teeth play different roles in food chewing process. Each teeth does a different job.

There are 4 different TYPES of teeth:
● Incisors are for cutting.
● Canines are for tearing.
● Premolars and molars HELP grind the food so that food is small enough to swallow.


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1st we should TAKE a. Paper and then take a groundnut. Then crush the groundnut on that paper and than rub it on paper. U will OBSERVE that paper BECOMES TRANSPARENT. With that u can PROVE that oil. Is present In groundnut

SAPROTROPHS OBTAIN its food from DEAD and decaying matters .

pitcher plant catches its PREY like insects which flew around it.

EXPLANATION:

Answer ❤️

• A PAPER can be made translucent by rubbing or greasing it with little oil or some type of grease or fat. Explanation: A SUBSTANCE is SAID to be translucent when it allows light to pass or refract through it

DISEASE of lacking vitamin B1 is called beriberi.
Disease of lacking vitamin d is called rickets.
Disease of lacking red BLOOD CELLS is called anemia.
Disease of lacking iodine is called goitre.
Disease of lacking vitamin a is called night blindness