Bharat Skill sem2 [ test 3]

通報

問題一覧

Which type of chuck is used on lathe to hold work piece at centre?

Universal chuck

What type of cutting tools wide application on lathes?

Single-point

Why are the mandrels use to hold lathe?

Hollow works pieces

Which type of operation done by lathe for preparing diamond cut patterns on surface?

Knurling

What is the unit of energy?

Joule

Electrical potential difference is measured by _______

Voltmeter

Which one is the correct equation for ohm's law?

V = I R

What is the unit of electric charge?

Coulomb

What is the speed of d.c. motor related ?

Inversely proportional to product of flux and back emf

Which motor is used for centrifugal pumps?

Shunt motor

Which enters in the cylinder of a S.I. engine?

Mixture of petrol and air

Which type of ignition occurs in the diesel engine?

Compression ignition

What is the use of fly wheel?

Storage energy

What is the material of cylinder?

Cast iron

What is the deference between maximum and minimum limit of sizes?

Tolerance

What is bilateral tolerance?

Both sides of the basic size

When tolerance is given one side of the basic dimension, it is called?

Unilateral tolerance

What is hole basis system?

The size of the hole is constant

What is the British standard limit system consists?

21 classes of fits and 16 grades of tolerance

What is the numbers 7 and 9 indicated in a hole and shaft pair designated as 40 H7/d9 ?

Tolerance grade

What is the best example of shrinkage fit?

Cart rim on wooden wheel

What is the measured size of dimension of a component?

Actual size

Where interchangeability is normally applied?

Mass production

What is the best example of driving fit? [ड्रायव्हिंग फिटचे सर्वोत्तम उदाहरण काय आहे?]

Ball bearing on the shaft

Which of the following is a flexible coupling?

Oldham coupling

Which coupling is used to connect two perfectly aligned shafts? (दो पूरी तरह से संरेखित शाफ्ट को जोड़ने के लिए किस कपलिंग का उपयोग किया जाता है?)

Flange coupling

Which is used to join flanges in flange coupling? (फ्लेंज कपलिंग में फ्लैंगेस को जोड़ने के लिए किसका प्रयोग किया जाता है?)

Bolt and nuts

How sleeve or muff coupling is designed? (स्लीव या मफ कपलिंग को कैसे डिजाइन किया जाता है?)

Hollow cylinder

Which coupling is used in cloth industry? (कपड़ा उद्योग में किस कपलिंग का उपयोग किया जाता है?)

Clamp coupling

Which devices are used in large coupling ?(बड़े कपलिंग में कौन से उपकरण का उपयोग किया जाता है?)

Socket and spigot

Which coupling is used when the shafts are intersecting?(शाफ्ट प्रतिच्छेद करते समय किस कपलिंग का उपयोग किया जाता है?)

Universal coupling

In which coupling sleeves are used as clamp ?(किस कपलिंग स्लीव में क्लैम्प के रूप में उपयोग किया जाता है?)

Split muff coupling

Which type of coupling, the hub is keyed to the driving shaft ?(किस प्रकार के कपलिंग, हब को ड्राइविंग शाफ्ट से जोड़ा जाता है?)

Flange coupling

Where universal coupling is used ?(यूनिवर्सल कपलिंग का उपयोग कहाँ किया जाता है?)

Used for non-collinear shafts

Where flange coupling is used?(निकला हुआ किनारा युग्मन कहाँ प्रयोग किया जाता है?)

Used for collinear shafts

What is muff coupling?

Is a simple type rigid coupling

What are the rolling contact bearings?(रोलिंग संपर्क बीयरिंग क्या हैं?)

Antifriction bearing

Which of the following is an antifriction bearing?(निम्नलिखित में से कौन सा एक है एंटीफ्रिक्शन बियरिंग?)

Needle bearing

Where deep groove ball bearing is used?(गहरी नाली बॉल बेयरिंग का उपयोग कहाँ किया जाता है?)

Combined thrust and radial loads at high speed

What is the angle of contact of the bearing with journal, in full journal bearing?(पूर्ण जर्नल बियरिंग में बियरिंग का जर्नल के साथ संपर्क कोण क्या है?)

360°

How does the load acts in trust bearing? (भरोसे के असर में लोड कैसे काम करता है?)

Along the axis of rotation

Why Teflon is used for bearing?(बेअरिंग के लिए टेफ्लॉन का प्रयोग क्यों किया जाता है ?)

Low coefficient of friction

Which metal suitable for bearings subjected to light load?(हल्के भार के अधीन बियरिंग के लिए कौन सी धातु उपयुक्त है?)

Phosphor bronze

Which of the bearing is performed for oscillating conditions?(बियरिंग में से किस के लिए किया जाता है दोलन की स्थिति?)

Needle roller bearing

What is the coefficient of friction in a roller bearing ?(रोलर बेयरिंग में घर्षण गुणांक कितना होता है?)

0.01

Which type of gear train used in automobile gear box?(ऑटोमोबाइल गियर बॉक्स में किस प्रकार की गियर ट्रेन का उपयोग किया जाता है?)

Compound gear train

What is the material of Ball Bearing?(बॉल बेयरिंग की सामग्री क्या है?)

Medium carbon steel

Journal bearings are the example of _______(जर्नल बियरिंग्स _______ का उदाहरण हैं)

Friction bearings

Which one of the bearings caries axial load as well as radial load ?(बियरिंग्स में से कौन सा अक्षीय भार के साथ-साथ रेडियल भार भी वहन करता है?)

Thrust bearing

Loads applied parallel to the axis of the bearing are called ______(असर की धुरी के समानांतर लगाए गए भार को ______ कहा जाता है)

thrust loads

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Sudhanshu Shravane · 19問 · 3年前

Types of lines

Types of lines

19問 • 3年前

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Sudhanshu Shravane · 17問 · 2年前

Drawing Instruments

Drawing Instruments

17問 • 2年前

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