RRB NTPC Geography quiz for Stage I : 21/06/2019

21/06/2019

RRB NTPC Geography quiz for Stage I : 21/06/2019

Q1.What is Latent Heat.

गुप्त ऊष्मा क्या है

(a) Energy in a form of heat needed to convert the water into gaseous form/ पानी को गैसीय रूप में बदलने के लिए ऊष्मा के रूप में आवश्यक ऊर्जा

(b) Energy in a form of heat needed to convert the gaseous into water form/ गैसीय को पानी के रूप में बदलने के लिए ऊष्मा के रूप में में आवश्यक ऊर्जा

(d) None of the above/ उपरोक्त में से कोई भी नहीं

Answer & Explanation

Ans.1.(a)

Exp.Latent heat is the heat energy per mass unit required for a phase change to occur. Normally when heat energy is added to or removed from an object, the temperature of the object changes; however, during phase changes, the temperature of an object stays constant. The temperature remains the same because energy is required for an object to change phases.So when you add heat to a liquid, you are actually causing the molecules to vibrate. The latent heat is the energy required to change the molecular movement. Each substance has a unique latent heat value.

Q2.What is dew point?

ओसांक क्या है

(a) The temperature at which an air becomes unsaturated/ वह तापमान जिस पर एक हवा असंतृप्त हो जाती है

(b) The temperature at which an air becomes cold from warm/ वह तापमान जिस पर हवा गर्म से ठंडी हो जाती है

(d) None of the above/ उपरोक्त में से कोई भी नहीं

Answer & Explanation

Ans.2.(c)

Exp.The dew point is the temperature to which air must be cooled to become saturated with water vapor. When further cooled, the airborne water vapor will condense to form liquid water.

Q3.What is Normal Lapse rate.

सामान्य गिरावट दर क्या है

(a) Decrease of temperature with increasing height/ बढ़ती ऊंचाई के साथ तापमान में कमी

(b) Increase of temperature with increasing height/ बढ़ती ऊंचाई के साथ तापमान में वृद्धि

(d) Increasing of temperature with decreasing height/ घटती ऊंचाई के साथ तापमान में वृद्धि

Answer & Explanation

Ans.3.(a)

Exp.Lapse rate, rate of change in temperature observed while moving upward through the Earth’s atmosphere. The lapse rate is considered positive when the temperature decreases with elevation, zero when the temperature is constant with elevation, and negative when the temperature increases with elevation (temperature inversion).

Q4.Radiation inversion occurs only on ____

विकिरण विलोमन केवल ____ पर होता है

(a) Air surface/ वायु सतह

(b) Ocean surface/ महासागर की सतह

(d) none of the above/ उपरोक्त में से कोई भी नहीं

Answer & Explanation

Ans.4.(c)

Exp.A radiation inversion commonly occurs when the evening air is still and there are no clouds to trap heat. Surface temperature drops as longwave radiation emitted by the Earth escapes to space. Since a land surface radiates more heat than the air, ground is cooled more rapidly than the air at great heights during night time. Consequently the coldest air lies at the ground and is overlaid by warmer air.

Q5.Frontal fogs are produced in the ______

ललाट कोहरा ______ में उत्पादित होता हैं

(a) Low latitudes/ कम अक्षांश

(b) High latitudes/ उच्च अक्षांश

(d) none of these/ इनमे से कोई नहीं

Answer & Explanation

Ans.5.(b)

Exp.Frontal fog forms near a front when raindrops, falling from relatively warm air above a frontal surface, evaporate into cooler air close to the Earth’s surface and cause it to become saturated.The visibility in an ice fog is often considerably worse than that in a water fog containing the same concentration of condensed water.

Q6. The comparative ratio between humidity of certain area with the maximum limit is called

कुछ क्षेत्र की आर्द्रता के अधिकतम सीमा के साथ के तुलनात्मक अनुपात को क्या कहा जाता है

(a) relative strength/ सापेक्ष क्षमता

(b) relative humidity/ सापेक्षिक आर्द्रता

(d) mild humidity/ हल्की आर्द्रता

Answer & Explanation

Ans.6.(b)

Exp.Relative humidity is the ratio of the current absolute humidity to the highest possible absolute humidity (which depends on the current air temperature). A reading of 100 percent relative humidity means that the air is totally saturated with water vapor and cannot hold any more, creating the possibility of rain.

Q7.Which these are example of Igneous rock.

इनमें से क्या आग्नेय चट्टान के उदाहरण हैं

1.Granites/ ग्रेनाइट

2.Basalt/ बेसाल्ट

3.Marble/ संगमरमर

4.Sandstones/ बलुआ पत्थर

(a) 1 and 2 only/केवल 1 और 2

(b) 2 and 3 only/केवल 2 और 3

(d) All of the above/उपरोक्त सभी

Ans.7.(a)

Exp.Igneous rocks form from the cooling of magma – molten materials in the earth’s crust.[/su_spoiler]

Q8.Marbles are formed due to change in ______

__________ में परिवर्तन के कारण मार्बल का निर्माण होता है

(a) Clay/ मिट्टी

(b) Limestones/ चूना पत्थर

(d) Granite/ ग्रेनाइट

Answer & Explanation

Ans.8.(b)

Exp.Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism. It is composed primarily of the mineral calcite (CaCO3) and usually contains other minerals, such as clay minerals, micas, quartz, pyrite, iron oxides, and graphite.

Q9.Which rocks are called primary rocks.

कौन सी चट्टानों को प्राथमिक चट्टान कहा जाता है

(a) Sedimentary rocks/ अवसादी चट्टानें

(b) Metamorphic rocks/ रूपांतरित चट्टानें

(d) None of the above/उपरोक्त में से कोई नहीं

Answer & Explanation

Ans.9.(c)

Exp.Igneous rocks are formed from magma, the molten material from the center of the Earth. Igneous rocks begin the rock cycle, and are therefore called primary rocks.

Q10.Loess is a ________

लोएस एक ________ है

(a) Loss of rocks/ चट्टानों की क्षति

(b) Animal deposited sediments/ पशु निक्षिप्त अवसाद

(d) Wind deposited sediments/ हवा निक्षिप्त अवसाद

Answer & Explanation

Ans.10.(d)

Exp.Loess is a clastic, predominantly silt-sized sediment that is formed by the accumulation of wind-blown dust.

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RRB NTPC Geography quiz for Stage I : 21/06/2019