UP Polytechnic Lecturer 2021 Solution PDF

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Uttar Pradesh Public Service Commission (UPPSC)

UP Polytechnic Lecturer 2021 solution PDF and Previous Year Paper

UPPSC Polytechnic Lecturer Answer Key 2021

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UPPSC Polytechnic Lecturer Answer Key 2021

In this post we have provide UP POLYTECHNIC LECTURER 2021 SOLUTION OF EXAM HELD ON 22 DECEMBER And Previous Year Papers of Uttar Pradesh Polytechnic Lecturer(UPPSC).Uttar Pradesh Public service commission UPPSC has conducted Polytechnic Lecturer exam in Previous year we collected all previous year papers of Uttar Pradesh Polytechnic Lecturer and Question Paper of UPPSC AE at one place. to help the student so to download the paper just click on the blue link it will download automatically.

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UP Polytechnic Lecturer Exam Pattern

Selection Procedure and Nature of exam:

Prelims Exam Objective Nature(750 marks.)
Interview Oral(100 marks)

Exam Pattern

UP Polytechnic Lecturer Exam Pattern

Paper No.	Subjects	Total no of questions	Time	Max. Marks
Paper-1	Hindi	25	2 hours	75
	Domain Related	100		300
Paper-2	General Studies	25	2 hours	75
	Domain Related	100		300
		Total marks		750Marks

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UPPSC Polytechnic Lecturer Hindi Paper Solution

दुर्व्यवहार में कितने उपसर्ग है :

Answer:4 दुर्व्यवहार = दुर् + वि + अव + हार
आकाश का पर्यायवाची क्या होगा?
आकाश- अंबर, अनंत, अंतरिक्ष, अभ्र, आसमान, गगन, दिव, नभ, पुष्कर, व्योम, विष्णुपद, सारंग, फलक
अर्क का अनेकार्थी शब्द क्या है?
अर्क – सूर्य, सत्त्व, ताँबा, बिजली की चमक, स्फटिक, मदार, क्वाथ (काढ़ा) रविवार
किसी के पास रखी हुए दूसरे की वस्तु को ‘धरोहर’ कहते हैं।

अंडे का शाहजादा मुहावरे का अर्थ
अनुभवहिन व्यक्ति
वह कलम से लिखता है :करण कारक
आराम का अनेकार्थी शब्द क्या है से मिलता जुलता: बाग, विश्राम, रोग का दूर होना।
युद्ध की इच्छा रखने वाला’ वाक्यांश के लिए एक शब्द ‘युयुत्सा‘ होता है। अर्थात युद्ध की इच्छा रखने वाला के लिए एक शब्द युयुत्सा है।
विस्मरण चिन्ह या त्रुटिपूरक चिन्ह [ ^ ]
परीक्षा का संधि विच्छेद क्या है?
परीक्षा का संधि विच्छेद = परि + ईक्षा
गुफा का पर्यायवाची · गुफा – कंदरा, गुहा, विवर, खोह
दरी –अर्थ : मोटे सूतों का बुना हुआ एक प्रकार का बिछौना।
दरी : कंदर, कंदरा, कन्दर, कन्दरा, खोह, गह्वर, गुफा, गुहा, दरि, पृथ्वीगृह, विवर
विजन – निभृत, एकांत, सुनसान, जनशून्य, वीरान, निर्जन।
शुद्ध / अशुद्ध /
अंतर्धान अंतर्ध्यान
विद्यार्थी लिखता है’ में सकर्मक क्रिया है।
तद्भव तत्सम
रहट. अरघट्ट
Rahat. Araghatt
यदि कोई शब्द किसी से उत्पन्न होने का भाव प्रकट करता है या संतानसूचक / वंशसूचक होता है तो वहाँ ‘अ’ प्रत्यय मानना चाहिए | ऐसे शब्दों के अंत में ‘व’ लिखा रहता है | जैसे –
मानव = मनु + अ
कौरव = कुरु + अ
वैष्णव = विष्णु + अ
लाघव = लघु + अ

UPPSC Polytechnic Lecturer 2021 Expected Cut Off :Click Here

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How to Download the UPPSC Polytechnic Lecturer Answer Key 2021 PDF?

As soon as answer key is available you can visit the official websites of UP technical education services exam. Following are the steps to download the answer key.

Step 1: Visit the official website of UPPSC.

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Step 2: At the left sidebar of the homepage, you will find a menu. Click on the link at the end saying “Click here to view Key Answer Sheet” or you can directly click on the link below.

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Step 3: The link for the UPPSC Polytechnic Lecturer Answer Key 2021 will be available on this page as soon as it is available .

Step 4: when the link is available You can download and view the pdf of UPPSC Polytechnic Lecturer Answer Key 2021.

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UPPSC Polytechnic Lecturer Mechanical Paper Solution by Student as No coaching Institute Provide Solution pdf till now

Question marked with green ticks are correct

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UPPSC Polytechnic Lecturer Mechanical Paper Solution

Consider the following factors:
1. Cylinder size
2. Clearance ratio
3. Delivery pressure
4. Compressor shaft power.
The factors which affect the volumetric efficiency of a single-stage reciprocating air compressor would include:
A) 1 and 2

B) 3 and 4

C) 2 and 3

D) 1 and 4

Answer: A

16. In a long cylindrical rod of radius R and a surface heat flux of q0. the uniform internal heat generation rate is:

(a) 2q0/R

(b) 2q0

(d) 2 0 R q2

UJVNL AE 2016

Ans: (a) In a long cylindrical rod of radius R and a surface heat flux of qo the uniform internal heat generation rate is 2q0/R

In an air craft refrigeration system the pressure at the cooling turbine outlet is equal to
Aambient pressure
B.cabin pressure
C.pressure at inlet to compressor
D. None of the above
Answer: B: cabin pressure
31 A system of 100 kg mass undergoes a process in which its specific entropy increases from 0.3 kJ/kgK to 0.4 kJ/kgK. At the same time, the entropy of the surroundings decreases from 80 kJ/K to 75 kJ/K.The process is: ESE Mechanical 2016 Paper 1: Official Paper
a.Reversible and isothermal
b.Irreversible
c.Reversible
d.Impossible

Answer: b : Irreversible
32.Q.
Cavitation damage in turbine runner occurs near the
A. Inlet on the convex side of blades
B. Outlet on the convex side of blades
C. Inlet on the concave side of blades
D. Outlet on the concave side of blades.
Answer B. Outlet on the convex side of blades
33.Across a normal shock

(a) the pressure and temperature rise

(b) the velocity and pressure increase

(d) the velocity and density decrease UKPSC AE 2007 Paper -II
Ans. (a)
34.Usually fins are provided to increases the rate of heat transfer, but fins also act as insulation. Which one of the following non-dimensional numbers decides this factor? VIZAG MT Mechanical: 2013(Re-exam) Official Pape
a.Eckert number
b.Biot number
c.Fourier number
d. Peclet number
Answer: b : Biot number
36.The COP of an air- conditioning plant is higher than the COP of a household refrigerator.
Ans B
as the COP of the air conditioning plant is higher due to higher evaporator pressure of the evaporator in the air conditioning.
37.If the dryness fraction of a sample by throttling calorimeter is 0.8 and that by separating calorimeter is also 0.8, then the actual dryness fraction of sample will be taken asUPPSC AE Mechanical 2013 Official Paper II
Answer: d : 0.64
38.he spark plug gap is normally maintained at________________?
A. 0.1 to 0.2 mm

B. 0.2 to 0.4 mm

C. 0.45 to 0.6 mm

D. 0.6 to 0.8 mm

E. 0.8 to 1 mm
Answer: C

40.The temperature variation in a large plate, as shown in the given figure, would correspond to which of the following condition (s)?
1. Unsteady heat
2. Steady-state with variation of k
3. Steady-state with heat generation
Select the correct answer using the codes given below:
Codes:
a)2 alone
b)1 and 2
c)1 and 3
d)1, 2 and 3
Correct answer is Answer: ‘A’
41.An air washer can work as:

(A) Humidifier

(B) Dehumidifier

(D) All of the above
Ans-(D

The cycle of pressure- volume diagram is shown in the figure: Same cycle on temperature-entropy diagram will be represented by
Ans:b
44.in an axial flow compressor stage, air enters and leaves the stage axially. If the whirl component of the air leaving the rotor is half the mean peripheral velocity of the rotor blades, then the degree of reaction will be

(a) 1.00’

(b) 0.75

(d) 0.25

Correct answer :0.75

45The compression ratio in a jet engine varies proportional to ____________________?
A. Vspeed

B. speed

C. altitude

D. does not Vary
ans:B(Speed)
46A simple pitot tube measures the:
Static pressure
Dynamic pressure
Total pressure
Difference in total and dynamic pressure
Answer: 3 : Total pressure
It is proposed to coat a 1 mm diameter wire with enamel paint (k= 0.1 W/m.k) to increase heat transfer with air. IF the air side heat transfer coefficient is 100 W/Sq.m.K , then optimum thickness of enamel paint should be:
A. 0.25 mm

B. 0.5 mm

C. 0.75 mm

D. 1 mm

Answer: Answer: B
48.In a polytropic process, heat rejected is given by :
Answer:
[γ−n/γ−1× work ]done on the system.

49For air at a given temperature, as the relative humidity is increased isothermally,
(A) The wet bulb temperature and specific enthalpy increases

(B) The wet bulb temperature and specific enthalpy decreases

(C) The wet bulb temperature increases and specific enthalpy decreases
(D) The wet bulb temperature decreases and specific enthalpy increases
(Ans D)

UPPSC Polytechnic Lecturer Paper Solution & Analysis – By MADE EASY	Click here
UPPSC Polytechnic Lecturer Paper Solution & Analysis– By TESTBOOK	Electrical Engineering CIVIL Engineering Mechanical Engineering
UPPSC Polytechnic Lecturer Paper Solution & Analysis– By:Adda 24	Click here
UPPSC Polytechnic Lecturer Answer Key – English First Paper – By PRIMO CLASSES	Click Here
UP Polytechnic Lecturer 2021 Mechanical Engineering PAPER PDF	Click here PAPER-1 Click here PAPER-2
UP Polytechnic Lecturer 2021 Electrical Engineering solution PAPER PDF	Click here PAPER-1 Click here PAPER-2
UP Polytechnic Lecturer 2021 Civil Engineering solution PAPER PDF	Click here PAPER-1 Click here PAPER-2 Paper link set B
UP Polytechnic Lecturer Previous Year Paper	Civil Engineering solution Electrical and Electronics Engineering solution Electronics and Communication Engineering solution Physics solution Mechanical Engineering solution Computer Engineering solution Mathematics solution
UP PSC AE Previous year Paper	click here (Polytechnic Lecture syllabus is same as UPPSC AE syllabus so paper of UPPSC AE CAN BE USED AS A GUIDE FOR THIS EXAM)
UK Polytechnic Lecturer Previous Year paper	Click here
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