10 Soal Teori Kejuruan Teknik Instalasi Tenaga Listrik

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| By Mgmplistriksby
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  • 1/10 Pertanyaan

    Berikut ini merupakan keuntungan dari menggunakan PLC, kecuali

    • Fleksibel
    • Handal
    • Sulit melakukan pelacakan gangguan kontrol
    • Program bisa disimpan
    • Biaya murah
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10 Soal Teori Kejuruan Teknik Instalasi Tenaga Listrik - Quiz

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  • 2. 

    Diantara berikut ini yang bukan termasuk input sebuah PLC adalah..

    • Saklar pushbutton

    • Saklar toggle

    • Limit switch

    • Lampu dan Motor listrik

    • Flow switch

    Correct Answer
    A. Lampu dan Motor listrik
    Explanation
    Lampu dan motor listrik bukan termasuk input sebuah PLC karena PLC digunakan untuk mengontrol dan memonitor peralatan dan proses otomatisasi. Input PLC biasanya berupa sinyal digital seperti saklar pushbutton, saklar toggle, limit switch, dan flow switch. Lampu dan motor listrik adalah peralatan yang dikendalikan oleh PLC sebagai output, bukan sebagai input.

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  • 3. 

    Jumlah kontaktor magnit yang dibutuhkan untuk Y/ Δ otomatis sebanyak…

    • Satu buah kontaktor utama

    • Dua buah kontaktor utama

    • Dua buah kontaktor, untuk hubungan Y dan hubungan Δ

    • Tiga buah kontaktor, untuk kontaktor utama hubungan Y dan hubungan Δ

    • Dua buah kontaktor untuk hubungan Y dan hubungan Δ dan saklar TPDT untuk saklar utamanya

    Correct Answer
    A. Tiga buah kontaktor, untuk kontaktor utama hubungan Y dan hubungan Δ
    Explanation
    Three magnetic contactors are needed for the main contactor of the Y and Δ connections.

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  • 4. 

    Berikut ini yang merupakan peralatan input dalam PLC adalah …

    • Lampu

    • Buzzer

    • Kontaktor

    • Sensor

    • Motor Listrik

    Correct Answer
    A. Sensor
    Explanation
    The correct answer is "Sensor". In a Programmable Logic Controller (PLC), sensors are used as input devices to detect and measure physical variables such as temperature, pressure, proximity, or light. These sensors provide feedback to the PLC, allowing it to make decisions and control the connected machinery or processes. Lampu (lamp), Buzzer, Kontaktor (contactor), and Motor Listrik (electric motor) are not typically considered input devices in a PLC system.

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  • 5. 

    Untuk mengatur jarum penunjuk pada posisi NOL sebelum melakukan pengukuran resistor pada Multimeter adalah............

    • Scale

    • Zero Adjust screw

    • Zero ohm adjust knob

    • Range selector switch

    • Comon terminal

    Correct Answer
    A. Zero ohm adjust knob
    Explanation
    Moon is round because of formed and collapsed under the force of their own gravity.

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  • 6. 

    Diantara berikut ini yang bukan termasuk output sebuah PLC adalah.

    • Kontaktor dan Relai

    • Selenoid

    • Limit switch

    • Lampu

    • Motor Listrik

    Correct Answer
    A. Limit switch
    Explanation
    A limit switch is not an output device of a PLC. It is an input device that is used to detect the presence or absence of an object or to limit the travel of a machine or equipment. Output devices of a PLC include contactors and relays, solenoids, lamps, and electric motors. These devices are used to control and operate various components and processes in an automated system.

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  • 7. 

    Alat ukur yang menggunakan sebuah magnet yang tidak bergerak dan sebuah gulungan kawat yang merupakan satu bagian yang mudah bergerak dan dilalui arus listrik yang hendak diukur adalah

    • Azas magnetis

    • Azas moving coil (gulungan putar)

    • Azas elektro dinamis

    • Azas elektro magnetis (besi putar)

    • Azas ferraris

    Correct Answer
    A. Azas moving coil (gulungan putar)
    Explanation
    The correct answer is "Azas moving coil (gulungan putar)". This is because the question is asking for a measurement tool that uses a stationary magnet and a movable coil of wire through which the current to be measured flows. The moving coil is designed to rotate in response to the magnetic field produced by the current, allowing for accurate measurements to be taken. This principle is commonly used in devices such as galvanometers and ammeters.

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  • 8. 

    Mengijinkan CPU, memori dan I/O untuk saling tukar-menukar informasi (data) adalah tugas dari..

    • Control bus

    • Address bus

    • Data bus

    • Sistem bus

    • I/O bus

    Correct Answer
    A. I/O bus
    Explanation
    The I/O bus is responsible for allowing the CPU, memory, and I/O devices to exchange information or data with each other. It facilitates the transfer of data between the central processing unit (CPU), memory, and input/output (I/O) devices such as keyboards, printers, and disk drives. This bus acts as a communication pathway, enabling the CPU to send and receive data to and from external devices, ensuring efficient data transfer and interaction between different components of the computer system.

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  • 9. 

    Tugas dari CPU dalam sebuah PLC adalah

    • Memproses data

    • Mengirimkan data

    • Mengontrol semua operasi PLC

    • Menyimpan data

    • Memasukkan data

    Correct Answer
    A. Memproses data
    Explanation
    CPU dalam sebuah PLC bertanggung jawab untuk memproses data. Hal ini berarti CPU akan mengambil data dari input, melakukan operasi yang diperlukan, dan menghasilkan output berdasarkan instruksi yang telah diprogram. CPU juga dapat melakukan operasi matematika, logika, dan kontrol yang diperlukan untuk menjalankan semua operasi PLC. Dengan memproses data, CPU memungkinkan PLC untuk berfungsi sesuai dengan instruksi yang telah ditentukan.

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  • 10. 

    Diketahui motor 3 fasa, 10 kw,380 V, 1500 Rpm, Efisiensi 85%, cos Q = 0,75. Maka rentang penyetelan pengaman beban lebih ( 0verload ) pada instalasi tenaga yang tepat adalah……

    • 6 – 10 A

    • 16 – 25 A

    • 25 – 35 A

    • 35 – 45 A

    • 45 – 60 A

    Correct Answer
    A. 25 – 35 A
    Explanation
    The correct answer is 25 - 35 A. The given information states that the motor is a 3-phase motor with a power of 10 kW and a voltage of 380 V. The efficiency of the motor is 85% and the power factor (cos Q) is 0.75. Based on these specifications, the correct range for overload protection setting on the power installation is 25 - 35 A.

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Quiz Review Timeline (Updated): Mar 22, 2023 +

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 16, 2015
    Quiz Created by
    Mgmplistriksby
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