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Mechanical Operations MCQs

Free 445+ Mechanical Operations MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Practise below with answers and explanations.

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Mechanical Operations — MCQs for Pakistan government job tests

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Mechanical Operations

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1.Among the following types of screens, which one offers the highest capacity?

2.What is the formula for the volume shape factor of a sphere?

3.How does the inlet pressure behave during a constant rate filtration process?

4.Trommels are used to sort particle mixtures based on which characteristic?

5.In a closed circuit grinding system using a ball mill with air sweeping, what equipment is typically utilized?

6.Identify the mechanical conveyor type that is not classified as a 'scraper' conveyor.

7.Among the materials listed below, which one is the softest?

8.How do all resistances behave during the cake washing process?

9.In which of the following devices is a metallic wire mesh employed as the filtering material to remove dust from dust-filled air?

10.What are the units of the work index according to Bond's law for the crushing of materials?

11.Which mineral is not typically processed using magnetic separation techniques?

12.Stamp mills are primarily utilized for crushing which type of ore?

13.In which of the following equipment is basic slag typically not crushed?

14.Which technique is most frequently employed for the beneficiation of iron ore?

15.What is the sphericity of a cube if its equivalent diameter is considered to be equal to the cube's height?

16.Which type of filter is suitable for removing gelatinous solids that clog the septum?

17.Which type of conveyor is best suited for transporting non-abrasive loose materials such as garbage, grain, and food waste over short distances?

18.Sorting classifiers that utilize differential settling to separate particles rely on variations in which property?

19.Which type of conveyor is commonly referred to as a scraper conveyor?

20.Which device is used to break down fibrous materials?

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